Using CC(C)[Si](Oc1cccc2cc(Br)ccc12)(C(C)C)C(C)C, CON(C)C(=O)CCl to produce CC(C)[Si](Oc1cccc2cc(C(=O)CCl)ccc12)(C(C)C)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.