SMILES: C/C=C\\1/[C@H](C(=O)N/C1=C\\C2=C(C(=C(N2)/C=C\\3/C(=C(/C(=C/C4=NC(=O)C(=C4C)C=C)/N3)C)CCC(=O)[O-])CCC(=O)[O-])C)C
Description: The molecule is dicarboxylate anion of (3Z)-phytochromobilin. It is a linear tetrapyrrole anion and a dicarboxylic acid dianion. It is a conjugate base of a (3Z)-phytochromobilin.