SMILES: CCCCC[C@@H](/C=C/C1=CCC(=O)[C@@H]1C/C=C\\CCCC(=O)[O-])O
Description: The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin C2, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a prostaglandin C2.