Using CC(C)(C)OC(=O)N1CCN(Cc2cnc3sc(-c4ccccc4[N+](=O)[O-])nc3c2)CC1 to produce CC(C)(C)OC(=O)N1CCN(Cc2cnc3sc(-c4ccccc4N)nc3c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.