Using C#CCCN1C(=O)c2ccccc2C1=O, Brc1csc(Cc2ccccc2)n1 to produce O=C1c2ccccc2C(=O)N1CCC#Cc1csc(Cc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.