[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][S][/C][=Branch1][Ring1][=C][\\Cl][/Cl]"}, {"from": "gpt", "value": "The molecule is an S-(1,2-dichlorovinyl)-L-cysteine in which the dichlorovinyl group has trans- (E-) geometry."}]