SMILES: CCC1=C(NC(=C1C)C(=O)O)CC2=C(C(=C(N2)CC3=C(C(=C(N3)C(=O)O)C)CC)CC)CC
Description: The molecule is a polyalkyl-substituted tripyrrane dicarboxylic acid, a precursor of a porphyrin system. It is a tripyrrane and a dicarboxylic acid.