Using CN(C)C=O, COc1ccc(C(=O)NC(C)(C)c2ccccc2)cc1Cl to produce COc1ccc2c(c1Cl)C(O)N(C(C)(C)c1ccccc1)C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.