Using COC(=O)c1c[nH]c(-c2ccccc2C(F)(F)F)c1C, C[Si](C)(C)[N-][Si](C)(C)C to produce COC(=O)c1cn(C)c(-c2ccccc2C(F)(F)F)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.