Using CC(O)CCl, CC(C)(C)OC(=O)CN1CCNCCN(CC(=O)OC(C)(C)C)CCN(CC(=O)OC(C)(C)C)CC1 to produce CC(O)CN1CCN(CC(=O)O)CCN(CC(=O)O)CCN(CC(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.