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