Using Oc1ccc(Cl)nc1I, C[Si](C)(C)CCOCn1c(B(O)O)cc2cccnc21 to produce C[Si](C)(C)CCOCn1c(-c2nc(Cl)ccc2O)cc2cccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.