Using CCOC(=O)N1CCC(Nc2nc3cc([N+](=O)[O-])ccc3o2)CC1 to produce CCOC(=O)N1CCC(Nc2nc3cc(N)ccc3o2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.