Using O=c1[nH]nc(-c2ccc(Cl)s2)n1Cc1ccccc1F, N#CCBr to produce N#CCn1nc(-c2ccc(Cl)s2)n(Cc2ccccc2F)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.