User: I want to know more about the compound with SMILES C[C@@H](NC(=O)Cc1c(Cl)ccc(NCC(F)(F)c2cccc[n+]2O)[n+]1O)c1cccc(Cl)c1.
Assistant: How can I help?
User: What is the molecular weight of this compound's parent molecule?
Assistant: 499.35
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#}
C[C@@H](NC(=O)Cc1c(Cl)ccc(NCC(F)(F)c2cccc[n+]2O)[n+]1O)c1cccc(Cl)c1
C[C@@H](NC(=O)Cc1c(Cl)ccc(NCC(F)(F)c2cccc[n+]2O)[n+]1O)c1cccc(Cl)c1
2-[3-chloro-6-[[2,2-difluoro-2-(1-hydroxypyridin-1-ium-2-yl)ethyl]amino]-1-hydroxypyridin-1-ium-2-yl]-N-[(1R)-1-(3-chlorophenyl)ethyl]acetamide
What is the molecular weight of this compound's parent molecule?
499.35