User: I want to know more about the chemical with SMILES Cc1nc(C#Cc2ccc(-c3cc(F)cc(C#N)c3)nc2)cs1.
Assistant: That sounds interesting, how can I help?
User: What is the molecular weight of this compound's parent molecule?
Assistant: 319.36
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#}
Cc1nc(C#Cc2ccc(-c3cc(F)cc(C#N)c3)nc2)cs1
Cc1nc(C#Cc2ccc(-c3cc(F)cc(C#N)c3)nc2)cs1
3-fluoro-5-[5-[2-(2-methyl-1,3-thiazol-4-yl)ethynyl]pyridin-2-yl]benzonitrile
What is the molecular weight of this compound's parent molecule?