Using COc1ccc(-c2nn(COCC[Si](C)(C)C)c3c2Cc2sc(-c4cccnc4)cc2-3)cc1 to produce COc1ccc(-c2n[nH]c3c2Cc2sc(-c4cccnc4)cc2-3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.