Using O=C1OC(=O)C(c2ccc(F)cc2)O1, NC(=O)c1ccc(C(F)(F)F)cc1N to produce Oc1nc(C(O)c2ccc(F)cc2)nc2cc(C(F)(F)F)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.