Using CCOC(=O)CCCNc1c(C)c(C)n2nnnc2c1[N+](=O)[O-] to produce CCOC(=O)CCCNc1c(C)c(C)n2nnnc2c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.