Using CCCCCC[C@@H]1CC[C@H](O)C(=O)O1, O=C(O)c1ccc(OCc2ccccc2)cc1 to produce CCCCCCC1CCC(OC(=O)c2ccc(OCc3ccccc3)cc2)C(=O)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.