Using Nc1ccnc2ccc(C(F)(F)F)cc12, O=C(Cl)OCc1ccccc1 to produce O=C(Nc1ccnc2ccc(C(F)(F)F)cc12)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.