Using Oc1cccc(C2=N[C@H](c3ccccc3)CO2)c1, CC(C)(C)[Si](C)(C)OCCBr to produce CC(C)(C)[Si](C)(C)OCCOc1cccc(C2=N[C@H](c3ccccc3)CO2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.