Using CCCCCCCC/C=C\CCCCCCCC(=O)O, CCCCCCCCCCCCCCCC(=O)OCC(O)CO to produce CCCCCCCC/C=C\CCCCCCCCOCC(O)COC(=O)CCCCCCCCCCCCCCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.