Using COC(=O)C(=O)c1ccc(N(C=O)CCOc2ccc3ccccc3c2)cc1 to produce O=CN(CCOc1ccc2ccccc2c1)c1ccc(C(=O)C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.