Using O=Cc1c[nH]c2ccc(-c3ccc(Br)cc3)cc12, CCC[N+](=O)[O-] to produce N#Cc1c[nH]c2ccc(-c3ccc(Br)cc3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.