Using Cn1c(S)nc2ccsc2c1=O, CC(=O)Oc1ccc(C(=O)c2ccc(CBr)cc2)cc1 to produce CC(=O)Oc1ccc(C(=O)c2ccc(CSc3nc4ccsc4c(=O)n3C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.