Task: Please answer the following question about the molecule with SMILES COC(=O)[C@@H](c1ccccc1)[C@@H]1CCCCN1.
Question: Please describe this drug.
Completion: Methylphenidate is a synthetic central nervous system stimulant. Methylphenidate appears to activate the brain stem arousal system and cortex to produce its stimulant effect and, in some clinical settings, may improve cognitive function.
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
COC(=O)[C@@H](c1ccccc1)[C@@H]1CCCCN1
COC(=O)[C@H]([C@@H]1CCCCN1)C2=CC=CC=C2
methyl (2S)-2-phenyl-2-[(2S)-piperidin-2-yl]acetate
Please describe this drug.