Using O=S(=O)(c1cc2cc(Cl)ccc2[nH]1)N1CCNCC1, O=C(O)c1cnc(-c2ccncc2)nn1 to produce O=C(c1cnc(-c2ccncc2)nn1)N1CCN(S(=O)(=O)c2cc3cc(Cl)ccc3[nH]2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.