Using CCCCCCCOc1ccc(C(=O)O)cc1, COc1cc(O)ccc1C=O to produce CCCCCCCOc1ccc(C(=O)Oc2ccc(C=O)c(OC)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.