Using C[Si](C)(C)N=C=N[Si](C)(C)C, CCC1CCC2(CC(=O)c3cc(Br)ccc3O2)C1 to produce CCC1CCC2(C/C(=N\C#N)c3cc(Br)ccc3O2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.