Using CC1(NC(=O)c2ccccc2)Cc2ccccc2C1, CC(=O)Cl to produce CC(=O)c1ccc2c(c1)CC(C)(NC(=O)c1ccccc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.