Using O=C(N1Cc2ccccc2C1)C(F)(F)F, O=C(CCl)CCl to produce O=C(CCl)c1ccc2c(c1)CN(C(=O)C(F)(F)F)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.