[{"from": "human", "value": "What can you tell me about this molecule? [C][C][O][C][=C][Branch1][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][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-1].[O].[Na+1]"}, {"from": "gpt", "value": "The molecule is the sodium salt form of nafcillin, a semi-synthetic naphthalene, penicillin-related Nafcillin inhibits bacterial wall synthesis by a mechanism of action similar to penicillin. Penicillinase-resistant Nafcillin is used to treat infections caused by penicillin-resistant strains of Staphylococci. (NCI04)"}]