Using CSc1cc(-c2nc3cc(C)c(C)cc3n2COCC[Si](C)(C)C)n[nH]1 to produce CSc1cc(-c2nc3cc(C)c(C)cc3[nH]2)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.