Using Cc1ccc(-c2ccc(C(C)(C)C)cc2)c2c1CC(C)C2=O to produce CC1=Cc2c(-c3ccc(C(C)(C)C)cc3)ccc(C)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.