Using CCCCCC(CCN1C(=O)C(C(=O)OCC)C(=O)C1CC(=O)OCC)OCc1ccccc1 to produce CCCCCC(CCN1C(=O)CC(=O)C1CC(=O)OCC)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.