SMILES: C/C=C\\1/C(C(=O)N=C1/C=C\\2/C(=C(/C(=C/C3=C(C(=C(N3)CC4C(=C(C(=O)N4)C=C)C)C)CCC(=O)[O-])/N2)CCC(=O)[O-])C)C
Description: The molecule is dicarboxylate anion of (3Z)-phycocyanobilin. It is a dicarboxylic acid dianion and a linear tetrapyrrole anion. It is a conjugate base of a (3Z)-phycoerythrobilin.