Using CCCN(CCC)Cc1cc(-c2c[nH]c(=O)c3cccc(O)c23)ccc1OC to produce CCCN(CCC)Cc1cc(-c2c[nH]c(=O)c3cccc(O)c23)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.