Using Cc1ccc(S(=O)(=O)NCC(Nc2ccc(Oc3ccc(Cl)cc3)cc2)c2cccc(C(F)(F)F)c2)cc1 to produce NCC(Nc1ccc(Oc2ccc(Cl)cc2)cc1)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.