Using Cc1ccc(O)c(C(C)(C)C)c1, CC(C)(C)c1ccc(CO)c(O)c1 to produce Cc1cc(Cc2ccc(C(C)(C)C)cc2O)c(O)c(C(C)(C)C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.