[{"from": "human", "value": "Describe this molecule. [C][C][N][C][C][N][Branch1][=Branch2][C][=Branch1][C][=O][C][Ring1][#Branch1][=O][C][=Branch1][C][=O][N][C@H1][Branch1][=Branch2][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]"}, {"from": "gpt", "value": "The molecule is a penicillin in which the substituent at position 6 of the penam ring is a 2-[(4-ethyl-2,3-dioxopiperazin-1-yl)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 piperacillin(1-)."}]