Using CC1(C)[C@H](C(=O)Cl)[C@@H]1C=C(Br)Br, OCc1csc(Oc2ccccc2)n1 to produce CC1(C)[C@H](C(=O)OCc2csc(Oc3ccccc3)n2)[C@@H]1C=C(Br)Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.