Using C[Si](C)(C)OC(=O)C(=O)CBr, CC(=O)OCC1=C(C(=O)OC(c2ccccc2)c2ccccc2)N2C(=O)[C@@H](NC(N)=S)[C@H]2SC1 to produce CC(=O)OCC1=C(C(=O)OC(c2ccccc2)c2ccccc2)N2C(=O)[C@@H](Nc3nc(C(=O)O)cs3)[C@H]2SC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.