[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch2][=Branch2][Ring1][C][O][C@H1][C@@H1][Branch2][Branch2][O][C@H1][Branch2][Branch2][=Branch1][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][C@H1][C@@H1][Branch2][#Branch1][Ring2][C@H1][Branch2][Ring2][#Branch1][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][N][C][=Branch1][C][=O][C][O][C@@][Branch2][Ring1][S][C][C@@H1][Branch2][Ring1][#Branch2][C@H1][Branch1][P][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][N][C][=Branch1][C][=O][C][O][C][=Branch1][C][=O][O][O][O][O][C@@H1][Branch1][S][/C][=C][/C][C][C][C][C][C][C][C][C][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a sialotriaosylceramide that is N-acetyl-beta-D-galactosaminyl-(1->4)-alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-N-acylsphingosine in which the acyl group on the sphingosine nitrogen is octadecanoyl. A constituent of natural ganglioside GM2. It has a role as an antigen. It is a N-acetyl-beta-D-galactosaminyl-(1->4)-alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-N-acylsphingosine and a sialotriaosylceramide. It is a conjugate acid of a ganglioside GM2 (18:0) (1-)."}]