Using O=C(O)Cc1ccc(C(F)(F)F)cc1, Nc1ccc(F)c(-c2n[nH]cc2-c2ccncc2)c1F to produce O=C(Cc1ccc(C(F)(F)F)cc1)Nc1ccc(F)c(-c2n[nH]cc2-c2ccncc2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.