Using NCC1CCN(C(=O)OCc2cc(Cl)cc(Cl)c2)CC1, O=C(O)CCCc1c[nH]nn1 to produce O=C(CCCc1cnn[nH]1)NCC1CCN(C(=O)OCc2cc(Cl)cc(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.