SMILES: CCC1=C(NC(=C1C)C=O)CC2=C(C3=C(N2)/C(=C\\4/[C@H]([C@@H](C(=N4)/C=C\\5/C(=C(C(=O)N5)C=C)C)C)CCC(=O)O)/[C@H](C3=O)C(=O)OC)C
Description: The molecule is a member of biladienes. It derives from a biladiene-ab. It is a conjugate acid of a red chlorophyll catabolite(2-).