Using CC(C)(C)Cn1c(N)nc2ccc(C#Cc3ccc(F)cc3)nc21 to produce CC(C)(C)Cn1c(N)nc2ccc(CCc3ccc(F)cc3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.