Using C=CCc1c(O)cc(C(C)(C)C)c(OC(C)=O)c1C(C)(C)C, O=C([O-])[O-] to produce C=CCc1c(OC)cc(C(C)(C)C)c(OC(C)=O)c1C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.