User: I have a question about the chemical with SMILES Cc1nc(C)c2c(n1)N(Cc1ccc(-c3ccccc3-c3nnn[nH]3)cc1)C(=O)CC2.
Assistant: How can I help?
User: What is the molecular formula of this compound, including any salt that it may have?
Assistant: The answer is C23H21N7O
User: I have a question 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#}
Cc1nc(C)c2c(n1)N(Cc1ccc(-c3ccccc3-c3nnn[nH]3)cc1)C(=O)CC2
Cc1nc(C)c2c(n1)N(Cc1ccc(-c3ccccc3-c3nnn[nH]3)cc1)C(=O)CC2
2,4-dimethyl-8-[[4-[2-(1H-1,2,3,4-tetrazol-5-yl)phenyl]phenyl]methyl]-5,6-dihydropyrido[2,3-d]pyrimidin-7-one
What is the molecular formula of this compound, including any salt that it may have?