Using C1CCOC1, CC(=O)OC(c1ccc(C#N)c(F)c1)c1cn(C(c2ccccc2)(c2ccccc2)c2ccccc2)cn1 to produce Cn1cncc1C(O)c1ccc(C#N)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.