[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch2][Branch1][#C][C@@H1][Branch2][Branch1][=Branch1][N][C@H1][Branch1][Ring2][S][Ring1][Branch1][C@@H1][Branch1][Branch1][C][Ring1][Branch1][=O][N][C][=Branch1][C][=O][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][N][C][C][N][Branch1][Branch1][C][Ring1][Branch1][=O][S][=Branch1][C][=O][=Branch1][C][=O][C][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a penicillin in which the substituent at position 6 of the penam ring is a (2R)-2-[3-(methanesulfonyl)-2-oxoimidazolidine-1-carboxamido]-2-phenylacetamido group. It has a role as an antibacterial drug. It is a penicillin and a penicillin allergen. It is a conjugate acid of a mezlocillin(1-)."}]