Using O=C1NC(=O)c2ccccc21, OCC=Cc1ccc(C(F)(F)F)cc1 to produce O=C1NC(=O)C2(CC=Cc3ccc(C(F)(F)F)cc3)C=CC=CC12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.