SMILES: CCC1=C(NC(=C1C)CC2C(=C(C(=O)N2)C)C=C)CC3=C(C4=C(N3)/C(=C\\5/[C@H]([C@@H]([C@H](N5)C(=O)O)C)CCC(=O)O)/CC4=O)C
Description: The molecule is a member of the class of bilenes that is 1,2,3,21-tetrahydro-5,7-ethanobilene-a-19(16H),5(2)-dione 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 luciferin. 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 a dinoflagellate luciferin(1-).