Using CCCCCCCCCCC[C@H](C[C@H](O)[C@H](CCCCCC)C(=O)OCc1ccccc1)OC1CCCCO1 to produce CCCCCCCCCCC[C@H](C[C@H](O)[C@H](CCCCCC)C(=O)O)OC1CCCCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.