Using COc1ccc(C(=O)c2ccccc2)cc1-c1ccc(C(=O)c2ccccc2)cc1 to produce COc1ccc(C(=O)C(C)C)cc1-c1ccc(C(=O)C(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.