Using C[Si](C)(C)CCOCCl, Fc1ccc(Oc2cc(Br)c3cn[nH]c3c2)c(F)c1 to produce C[Si](C)(C)CCOCn1ncc2c(Br)cc(Oc3ccc(F)cc3F)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.