Using O=C1NC(=O)c2ccccc21, CC(O)(CCCl)c1ccccc1-c1ccccc1 to produce CC(O)(CCN1C(=O)c2ccccc2C1=O)c1ccccc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.