Using O=C([O-])C(F)(F)Cl, COc1ccc(CN(Cc2ccc(OC)cc2)c2nc(C)nc(-c3cc(O)cnc3F)n2)cc1 to produce COc1ccc(CN(Cc2ccc(OC)cc2)c2nc(C)nc(-c3cc(OC(F)F)cnc3F)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.