[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][Branch2][#Branch1][S][C][=C][C][=N][C][=Branch2][=Branch1][Branch2][=C][C][=C][Branch2][Branch1][O][C][=Branch2][Branch1][=Branch1][=C][Branch1][Ring2][N][Ring1][Branch1][C][=C][C@@][Branch2][Ring2][=Branch2][C@@H1][Branch2][Ring1][#C][C][=Branch2][Ring1][Branch1][=C][C][=C][Ring1][=Branch1][C][=Branch1][Ring2][=N][Ring1][=Branch2][C][=C][Ring2][Ring1][=Branch2][N][Ring2][Ring1][Branch2][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][C][C][C][C][C][=Branch1][C][=O][O][C][=Branch1][=Branch1][=C][Ring2][Ring2][#Branch1][C][C][C][C][=Branch1][C][=O][O][C][C][=C]"}, {"from": "gpt", "value": "The molecule is the 2(1),2(2),13-trimethyl ester of (2R,2(1)S)-2(1),2(2)-dicarboxy-8-ethenyl-2,7,12,18-tetramethyl-2,2(1)-dihydrobenzo[b]porphyrin-13,17-dipropanoic acid. It is a beta-substituted porphyrin, a carboxylic acid and a methyl ester. It is functionally related to a (2R,2(1)S)-2(1),2(2)-dicarboxy-8-ethenyl-2,7,12,18-tetramethyl-2,2(1)-dihydrobenzo[b]porphyrin-13,17-dipropanoic acid. It is an enantiomer of a (2S,2(1)R)-8-ethenyl-2(1),2(2)-bis(methoxycarbonyl)-13-(3-methoxy-3-oxopropyl)-2,7,12,18-tetramethyl-2,2(1)-dihydrobenzo[b]porphyrin-17-propanoic acid."}]