Using O=C1Cc2ccc(Cl)cc2N1, O=C=Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1 to produce O=C(Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1)c1c(O)[nH]c2cc(Cl)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.