Using CCc1c(C(=O)C(N)=O)c2c(OCC(=O)OC)ncnc2n1Cc1ccccc1-c1ccccc1 to produce CCc1c(C(=O)C(N)=O)c2c(OCC(=O)O)ncnc2n1Cc1ccccc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.