[{"from": "human", "value": "Provide a description of 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 the dextrorotary form of methylphenidate introduced in 2002. It is a norepinephrine-dopamine reuptake inhibitor (NDRI) and thus a psychostimulant. It is used for treatment of Attention Deficit Hyperactivity Disorder (ADHD). The d-isomer is thought to have greater effect with fewer side effects than the l-isomer or the racemic mixture."}]