Using COc1ccccc1N1CCN(CCn2c(=O)[nH]c3ccc(OC)c(OC)c3c2=O)CC1 to produce COc1ccccc1N1CCN(CCn2c(=O)[nH]c3ccc(O)c(O)c3c2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.