Using COc1ccc(Cn2cnc(N)c3nc(C(C)(C)OCc4ccccc4)nc2-3)cc1OC1CCCC1 to produce COc1ccc(Cn2cnc(N)c3nc(C(C)(C)O)nc2-3)cc1OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.