Using C[Si](C)(C)CCOCn1cc(I)c2c(Cl)nc(Cl)nc21, [Zn+]c1ccccn1 to produce C[Si](C)(C)CCOCn1cc(-c2ccccn2)c2c(Cl)nc(Cl)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.