[{"from": "human", "value": "Describe this molecule. [C][C][C@@H1][C@@][Branch2][#Branch1][S][C@@H1][Branch2][#Branch1][O][C@H1][Branch2][#Branch1][=Branch1][C][=Branch1][C][=O][C@@H1][Branch2][=Branch1][=N][C][C@@][Branch2][=Branch1][Ring2][C@@H1][Branch2][Ring2][#Branch2][C@H1][Branch2][Ring2][Branch1][C@@H1][Branch1][N][C@H1][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][S][C][O][C@H1][C][C@@][Branch1][N][C@H1][Branch1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][Branch1][C][C][O][C][C][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=Branch2][C][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][N][Branch1][C][C][C][O][Branch1][C][C][O][C][C][O][Branch1][C][C][O]"}, {"from": "gpt", "value": "The molecule is an erythromycin that consists of erythronolide A having 2,6-dideoxy-3-C-methyl-3-O-methyl-alpha-L-ribo-hexopyranosyl and 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residues attahced at positions 4 and 6 respectively. It is an erythromycin and a cyclic ketone. It is functionally related to an erythronolide A. It is a conjugate base of an erythromycin A(1+)."}]