Using O=S(=O)(O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F, C[Si](C)(C)O[Si](C)(C)C to produce CCCC[Si](C)(C)O[Si](C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.