Using C[Si](C)(C)N=C=N[Si](C)(C)C, O=C1CC2(CCCOC2)Oc2ccc(Br)cc21 to produce N#C/N=C1\CC2(CCCOC2)Oc2ccc(Br)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.