Using Cn1c(C(=O)N2CCN(c3ccccc3C(C)(C)C)CC2)cc2cc(OCc3ccccc3)ccc21 to produce Cn1c(C(=O)N2CCN(c3ccccc3C(C)(C)C)CC2)cc2cc(O)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.