Using CCOC(=O)c1ccc2nnc(-c3ncc([N+](=O)[O-])n3C)n2n1 to produce Cn1c([N+](=O)[O-])cnc1-c1nnc2ccc(C(=O)O)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.