[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch1][S][C][=Branch1][Branch1][=N][O][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@H1][C@@H1][N][Branch1][Branch1][C][Ring1][Ring2][=O][C@H1][Branch1][O][C][Branch1][Ring2][S][Ring1][#Branch1][Branch1][C][C][C][C][=Branch1][C][=O][O].[O].[Na]"}, {"from": "gpt", "value": "The molecule is the sodium salt form of oxacillin, a semisynthetic penicillinase-resistant and acid-stable penicillin with an antimicrobial activity. Oxacillin binds to penicillin-binding proteins in the bacterial cell wall, thereby blocking the synthesis of peptidoglycan, a critical component of the bacterial cell wall. This leads to inhibition of cell growth and causes cell lysis."}]