Using CCCCCCC[C@H](C)OC(=O)N[C@@H](C(=O)O)[C@H](C)O to produce CCCCCCC[C@H](C)OC(=O)N[C@H]1C(=O)O[C@H]1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.