Using COc1cccc(-c2ccc3c(ccn3[Si](C(C)C)(C(C)C)C(C)C)c2)c1C1=NC(C)(C)CO1 to produce COc1cccc(-c2ccc3[nH]ccc3c2)c1C1=NC(C)(C)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.