Using C#CCCCC, O=C1c2ccccc2C(=O)N1OCc1csc(Br)n1 to produce CCCCC#Cc1nc(CON2C(=O)c3ccccc3C2=O)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.