SMILES: CCCCC[C@@H](/C=C/[C@H]1C=CC(=O)[C@@H]1C/C=C\\CCCC(=O)[O-])O
Description: The molecule is a prostaglandin carboxylic acid anion resulting from the removal of the proton from the carboxy group of prostaglandin A2. It is a conjugate base of a prostaglandin A2.