Using CI, CC1=C(c2ccccc2)C(=O)N(C(C)(C)C(=O)Nc2cc(Cl)cc(Cl)c2)CO1 to produce CC1=C(c2ccccc2)C(=O)N(C(C)(C)C(=O)N(C)c2cc(Cl)cc(Cl)c2)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.