[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch2][Ring2][Ring1][C@H1][Branch1][S][C][=Branch1][Branch2][=C][Branch1][Ring2][N][Ring1][=Branch1][C][N+1][=Branch1][C][=O][O-1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][C][F][Branch1][C][F][F][C][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a methyl 2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)phenyl]-1,4-dihydropyridine-3-carboxylate in which the 4-position has (R)-configuration. It is an enantiomer of a (S)-Bay-K-8644."}]