Using CC(=O)OC(C)=O, O=C(O)c1ccc(O)c(-c2ccccc2)c1 to produce CC(=O)Oc1ccc(C(=O)O)cc1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.