Using O=C(O)C1CN(Cc2ccccc2)CC1C(F)(F)F, COC(=O)c1cncn1N to produce COC(=O)c1cncn1NC(=O)C1CN(Cc2ccccc2)CC1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.