Using CN(C)C=O, O=C(OCc1ccccc1)c1ccc2[nH]ccc2c1 to produce O=Cc1c[nH]c2ccc(C(=O)OCc3ccccc3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.