Using O=C(Nc1cc[nH]c(=O)c1)c1ccc(C(F)(F)F)cc1F, Cc1cc(F)ccc1O to produce Cc1cc(F)ccc1Oc1cc(C(F)(F)F)ccc1C(=O)Nc1cc[nH]c(=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.