Using CCOC(=O)c1cnc2cc3c(cc2c1O)OCO3, NOc1ccc([N+](=O)[O-])cc1[N+](=O)[O-] to produce CCOC(=O)c1cn(N)c2cc3c(cc2c1=O)OCO3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.