[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][=C][Branch2][Ring1][O][N][C][=Branch1][Branch1][=C][Ring1][Branch1][C][C][C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][C][=O][N][Ring1][=Branch1][C][C][=C][C][C][=C][Branch2][Ring2][#C][C][=C][Branch1][Ring2][N][Ring1][Branch1][/C][=Branch2][Ring1][O][=C][/C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][N][\\-Ring1][Branch1][C][=Branch1][C][=O][O][C][C][C][C][=Branch1][C][=O][O][/C][=Branch1][C][=O][C][Ring2][Ring1][Branch1][=O][C]"}, {"from": "gpt", "value": "The molecule is a member of the class of bilenes that is 1,2,3,21-tetrahydro-5,7-ethanobilene-a-19(16H),5(1),5(2)-trione which is substituted at positions 2, 8, 13 and 18 by methyl groups and at positions 1, 3, 12 and 17 by carboxy, 2-carboxyethyl, ethyl and vinyl groups, respectively (the 1S,2S,3S diastereoisomer). It has a role as a member of oxidized luciferins. It is a member of bilenes, an oxo dicarboxylic acid, an amino dicarboxylic acid and a non-proteinogenic L-alpha-amino acid. It is a conjugate acid of an oxidized dinoflagellate luciferin(2-)."}]