Using C[Si](C)(C)OC(C=O)c1c(Cl)cccc1Cl, NCC1(C(F)(F)F)CC1 to produce C[Si](C)(C)OC(CNCC1(C(F)(F)F)CC1)c1c(Cl)cccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.