Using O=C(O)Cc1ccc(O)cc1, COc1cc(C=O)cc(OC)c1 to produce COc1cc(C=C(C(=O)O)c2ccc(O)cc2)cc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.