Using CC(C)(C)OC(=O)Nc1cc(F)c2c(c1)OC(C)(C)N=C2c1ccc(F)cc1 to produce CC1(C)N=C(c2ccc(F)cc2)c2c(F)cc(N)cc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.