Using CC(C)Cn1c(CNC(=O)OC(C)(C)C)c(-c2ccccc2)c2cc(COS(C)(=O)=O)ccc2c1=O, C[Si](C)(C)C#N to produce CC(C)Cn1c(CNC(=O)OC(C)(C)C)c(-c2ccccc2)c2cc(CC#N)ccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.