Using CCOC(=O)c1cn(COCC[Si](C)(C)C)c2ncnc(-c3cccc(Nc4nc(Cl)ns4)c3)c12 to produce CCOC(=O)c1c[nH]c2ncnc(-c3cccc(Nc4nc(Cl)ns4)c3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.