Using CCS, CN=C(O)c1cc([N+](=O)[O-])cc([N+](=O)[O-])c1C(=O)O to produce CCSc1cc([N+](=O)[O-])cc(C(O)=NC)c1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.