Using O=C([O-])[O-], CCOC(=O)c1ccc(Nc2nc(-c3ccc([N+](=O)[O-])cc3)cs2)cc1 to produce CCOC(=O)c1ccc(N(C)c2nc(-c3ccc([N+](=O)[O-])cc3)cs2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.