Using CC(=O)CCCOc1ccc2nc3[nH]c(=O)[nH]c3cc2c1 to produce CC(O)CCCOc1ccc2nc3[nH]c(=O)[nH]c3cc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.