Using CC(C)(C)OC(=O)N1CCN(c2ncc(S(=O)(=O)c3ccccc3)s2)CC1 to produce O=S(=O)(c1ccccc1)c1cnc(N2CCNCC2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.