Using Cc1cccc2nc(S)n(C)c(=O)c12, CC(=O)Oc1ccc(C(=O)c2ccc(CBr)cc2)cc1 to produce CC(=O)Oc1ccc(C(=O)c2ccc(CSc3nc4cccc(C)c4c(=O)n3C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.