[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch2][Ring2][N][C@@H1][Branch2][Ring2][Ring1][N][C@H1][Branch1][Ring2][S][Ring1][Branch1][C@@H1][Branch1][Branch1][C][Ring1][Branch1][=O][N][C][=Branch1][C][=O][C@@H1][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][N][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a penicillin G derivative first described in the literature in 1972. Amoxicillin has similar activity to [penicillin] and [ampicillin], but leads to higher serum concentrations than ampicillin.  Amoxicillin was granted FDA approval on 18 January 1974."}]