Using C#CCCCN1C(=O)c2ccccc2C1=O, Fc1cccc(Br)c1 to produce O=C1c2ccccc2C(=O)N1CCCC#Cc1cccc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.