Using CCCC(=O)Nc1nn(COCC[Si](C)(C)C)c2cc(Cl)c(Br)cc12 to produce CCCC(=O)Nc1n[nH]c2cc(Cl)c(Br)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.