User: I want to know more about the chemical with SMILES CNCCCC1c2ccccc2C=Cc2ccccc21.Cl.
Assistant: How can I help?
User: How many heavy (non-hydrogen) atoms does this compound have?
Assistant: 20
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#}
CNCCCC1c2ccccc2C=Cc2ccccc21.Cl
CNCCCC1c2ccccc2C=Cc2ccccc21.Cl
N-methyl-3-(2-tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaenyl)propan-1-amine;hydrochloride
How many heavy (non-hydrogen) atoms does this compound have?
20