Using C[Si](C)(C)[N-][Si](C)(C)C, Cc1cc(Br)cc(C)c1Oc1nc(N(C(=O)OC(C)(C)C)c2ccc(C#N)cc2)nc2cc[nH]c12 to produce Cc1cc(Br)cc(C)c1Oc1nc(N(C(=O)OC(C)(C)C)c2ccc(C#N)cc2)nc2ccn(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.