Using CC(C)(C)OC(=O)C(=O)OC(C)(C)C, CC(=O)c1ccco1 to produce CC(C)(C)OC(=O)C([O-])=CC(=O)c1ccco1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.