User: I want to know more about the molecule with SMILES CN1CCC(CN2c3ccccc3Sc3ccccc32)C1.Cl.
Assistant: That sounds interesting, how can I help?
User: How many heavy (non-hydrogen) atoms does this compound have?
Assistant: 21
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#}
CN1CCC(CN2c3ccccc3Sc3ccccc32)C1.Cl
CN1CCC(CN2c3ccccc3Sc3ccccc32)C1.Cl
10-[(1-methylpyrrolidin-3-yl)methyl]phenothiazine;hydrochloride
How many heavy (non-hydrogen) atoms does this compound have?
21