User: I want to know more about the molecule with SMILES Cl.NC1=NCC2c3ccccc3Cc3ccccc3N12.
Assistant: Sure, what is your question?
User: Please provide a description of this drug's mechanism of action.
Assistant: The answer is Histamine H1 receptor antagonist
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#}
Cl.NC1=NCC2c3ccccc3Cc3ccccc3N12
Cl.NC1=NCC2c3ccccc3Cc3ccccc3N12
2,4-diazatetracyclo[12.4.0.02,6.07,12]octadeca-1(18),3,7,9,11,14,16-heptaen-3-amine;hydrochloride
Please provide a description of this drug's mechanism of action.
Histamine H1 receptor antagonist