Using CCCCCCCCCC/C=C/C=C/C=O, COC(=O)CCCC(O)CO to produce CCCCCCCCCC/C=C/C=C/C1OCC(CCCC(=O)OC)O1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.