Using CCOC(=O)c1c(C)nc(S)c([N+](=O)[O-])c1NC(C)CC to produce CCOC(=O)c1c(C)nc(S)c(N)c1NC(C)CC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.