[{"from": "human", "value": "Describe this molecule. [C][O][C][=Branch1][C][=O][C@@H1][Branch1][=Branch2][C@H1][C][C][C][C][N][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a methyl phenyl(piperidin-2-yl)acetate in which both stereocentres have R configuration. It is the active enantiomer in the racemic drug methylphenidate. It has a role as an adrenergic agent. It is an enantiomer of a methyl (S)-phenyl[(S)-piperidin-2-yl]acetate."}]