Using C[Si](C)(C)[N-][Si](C)(C)C, CCc1cnc(N2CCC([C@H]3C[C@H]3[C@H](CO)OCc3ccc(Br)cc3)CC2)nc1 to produce CCc1cnc(N2CCC([C@H]3C[C@H]3[C@H](COC)OCc3ccc(Br)cc3)CC2)nc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.