[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][S][=Branch1][C][=O][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][Cl]"}, {"from": "gpt", "value": "The molecule is the N-tosyl derivative of L-phenylalanyl chloromethyl ketone. It has a role as an alkylating agent and a serine proteinase inhibitor. It is a sulfonamide and an alpha-chloroketone. It contains a L-phenylalanyl group."}]