Using CCOC(=O)c1n[nH]c(C2CC2)c1C, CCOc1cc(F)c(CBr)c(F)c1 to produce CCOC(=O)c1nn(Cc2c(F)cc(OCC)cc2F)c(C2CC2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.