Using C[Si](C)(C)OC1(C(F)(F)F)c2[nH]c3c(Cl)cc(F)cc3c2CCC1C(F)(F)F to produce OC1(C(F)(F)F)c2[nH]c3c(Cl)cc(F)cc3c2CCC1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.