Using Fc1cc(CBr)cc(F)c1F, CCOC(=O)CN=C(c1ccccc1)c1ccccc1 to produce CCOC(=O)C(Cc1cc(F)c(F)c(F)c1)N=C(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.