[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch2][Ring2][P][C@@H1][Branch2][Ring1][#Branch2][N][C@H1][Branch1][Ring2][S][Ring1][Branch1][C@@H1][Branch1][Branch1][C][Ring1][Branch1][=O][N][=C][N][C][C][C][C][C][C][Ring1][#Branch1][C][=Branch1][C][=O][O][C][O][C][=Branch1][C][=O][C][Branch1][C][C][Branch1][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a penicillanic acid ester that is the [(2,2-dimethylpropanoyl)oxy]methyl ester and prodrug of mecillinam. It has a role as an antiinfective agent, an antibacterial drug and a prodrug. It is a penicillanic acid ester, a penicillin and a pivaloyloxymethyl ester. It is functionally related to a mecillinam."}]