Using Cc1nc2ncc(OCc3ccccc3)cc2cc1C(=O)NCc1ccc(C(C)(C)C)cc1 to produce Cc1nc2ncc(O)cc2cc1C(=O)NCc1ccc(C(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.