Using FC(F)(F)c1ccccc1CBr, NC1=NC(=O)CN1C(=O)OCc1ccccc1 to produce O=C1CN(C(=O)OCc2ccccc2)C(NCc2ccccc2C(F)(F)F)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.