Using C#Cc1cccc(OCCOC)c1, Nc1ncc([N+](=O)[O-])cc1Br to produce COCCOc1cccc(C#Cc2cc([N+](=O)[O-])cnc2N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.