Using COCC1(CO)CCN(Cc2ccccc2)C1, O=C1NC(=O)c2ccccc21 to produce COCC1(CN2C(=O)c3ccccc3C2=O)CCN(Cc2ccccc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.