User: I want to know more about the chemical with SMILES COC(=O)[C@@H](c1ccccc1)[C@@H]1CCCCN1.
Assistant: That sounds interesting, how can I help?
User: Please describe this drug.
Assistant: The answer is 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.
User: I want to know more about the {#molecule|chemical|compound!} with {SMILES__description} {SMILES#}.
Assistant: {#Sure, what is your question?|How can I help?|That sounds interesting, how can I help?|Interesting, how can I help?!}
User: {quest#}
Assistant: {#The answer is |!}{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.