Using CCOC(=N)CC(=O)OCC, Nc1ccc(-c2cccs2)cc1[N+](=O)[O-] to produce CCOC(=O)Cc1nc2ccc(-c3cccs3)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.