Using CCCC1CN(C(=O)OCC(Cl)(Cl)Cl)CC(OC(=O)OCC(Cl)(Cl)Cl)C1c1ccc(Cl)cc1 to produce CCCC1CNCC(O)C1c1ccc(Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.