Using COc1ccc([C@H](Cc2ccncc2)c2cccc(N)c2)cc1OC1CCCC1 to produce COc1ccc([C@H](Cc2ccncc2)c2cccc(N)c2)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.