[{"from": "human", "value": "Describe this molecule. [C][C][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][Ring2][#C][C][O][C@H1][C@@H1][Branch2][Ring2][#Branch1][C@H1][Branch2][Ring2][C][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][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 beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine in which the acyl group specified is eicosanoyl. It has a role as a mouse metabolite. It is functionally related to an icosanoic acid."}]