Using C[Si](C)(C)CN, O=C(O)c1ccc(C(Br)Br)c(C(F)(F)F)c1 to produce C[Si](C)(C)CNC(=O)c1ccc(C(Br)Br)c(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.