Using CC(=O)OC(C)=O, N[C@H](CCCCNC(=O)OCc1ccccc1)C(=O)N1CCC[C@@H]1C(=O)OCc1ccccc1 to produce CC(=O)N[C@H](CCCCNC(=O)OCc1ccccc1)C(=O)N1CCC[C@@H]1C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.