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