Using CCOC(=O)Cc1cn(CC(=O)OCC)c2cccc([N+](=O)[O-])c12 to produce CCOC(=O)Cc1cn(CC(=O)OCC)c2cccc(N)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.