Using CCNCc1ccc(-c2ccc([C@H]3OC(C)(C)N(C(=O)C(F)F)[C@@H]3CF)cc2)cn1 to produce CCNCc1ccc(-c2ccc([C@@H](O)[C@H](CF)NC(=O)C(F)F)cc2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.