Using Brc1ccc2ccc3ccc(OCCC4CC4)cc3c2c1, CC1(C)CO1 to produce CC(C)(O)Cc1ccc2ccc3ccc(OCCC4CC4)cc3c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.