Using c1cc(N2CCNCC2)ccn1, O=C(O)c1ccc(S(=O)(=O)c2ccc3cc(Cl)ccc3c2)cc1 to produce O=C(c1ccc(S(=O)(=O)c2ccc3cc(Cl)ccc3c2)cc1)N1CCN(c2ccncc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.