Using CC(C)(C)OC(=O)N1CC(NS(=O)C(C)(C)C)(c2ncccn2)C1 to produce CC(C)(C)OC(=O)N1CC(N)(c2ncccn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.