Using CCOC(=O)CN(CC)C(=O)CCCC1CCN(C(=O)OCc2ccccc2)CC1 to produce CCN(CC(=O)O)C(=O)CCCC1CCN(C(=O)OCc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.