Using O=C1NC(=O)c2ccccc21, OC(CCl)(CCl)c1ccccc1 to produce O=C1c2ccccc2C(=O)N1CC(O)(CN1C(=O)c2ccccc2C1=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.