Using [NH4+], CCOC(=O)C(C(=O)c1cccnc1)N(C(=O)c1ccc(OC(F)(F)F)cc1)C1CC1 to produce CCOC(=O)c1c(-c2cccnc2)nc(-c2ccc(OC(F)(F)F)cc2)n1C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.