SMILES: CC1([C@@H]([NH2+][C@H](S1)[C@@H](C(=O)[O-])NC(=O)CC2=CC=CC=C2)C(=O)[O-])C
Description: The molecule is a penicilloate anion that is the conjugate base of benzylpenicilloic acid arising from zwitterion formation and deprotonation of the remaining carboxy group. It is a conjugate base of a benzylpenicilloic acid.