Using N#Cc1c(O)c2c(-c3cc(Br)c(OCc4ccccc4)c(Br)c3)csc2[nH]c1=O to produce N#Cc1c(O)c2c(-c3cc(Br)c(O)c(Br)c3)csc2[nH]c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.