Using CC1=C(c2ccccc2)C(=O)N(C(C)(C)C(=O)c2cc(F)cc(F)c2)CO1, COC(=O)Cl to produce COC(=O)CC1=C(c2ccccc2)C(=O)N(C(C)(C)C(=O)c2cc(F)cc(F)c2)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.