Using Cc1cn([C@H]2C[C@H](F)[C@@H](CO)O2)c(=O)[nH]c1=O, N#C[Se]c1ccccc1[N+](=O)[O-] to produce Cc1cn([C@H]2C[C@H](F)[C@@H](C[Se]c3ccccc3[N+](=O)[O-])O2)c(=O)[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.