Using C=C(c1ccccc1)c1cccc(-c2cccc(C(C)(C)C)c2OCc2ccccc2)n1 to produce CC(c1ccccc1)c1cccc(-c2cccc(C(C)(C)C)c2O)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.