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