Using C=CCBr, CC(C)(C)[Si](C)(C)OC[C@H]1O[C@@H](n2cc(I)c(N)nc2=O)C[C@@H]1O to produce C=CCO[C@H]1C[C@H](n2cc(I)c(N)nc2=O)O[C@@H]1CO[Si](C)(C)C(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.