Using CC(=O)n1cc(C2C(=O)CC(C)(C)CC2=O)c2ccccc21 to produce CC1(C)CC(=O)C(c2c[nH]c3ccccc23)C(=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.