Using On1nnc2ccccc21, CCOC(=O)C1=Cc2cccc(C(=O)O)c2OCC1 to produce CCOC(=O)C1=Cc2cccc(C(N)=O)c2OCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.