Using CCOC(=O)c1cn(Cc2ccc(Oc3ccccc3)cc2)nc1OCc1ccc(Oc2ccccc2)cc1 to produce CCOC(=O)c1cn(Cc2ccc(Oc3ccccc3)cc2)nc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.