Using Cc1nc(-c2ccccc2)cc(-c2ccc(CO)o2)c1C(=O)NCCN1CCOCC1 to produce Cc1nc(-c2ccccc2)cc(-c2ccc(C=O)o2)c1C(=O)NCCN1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.