Using CCOC(=O)c1c[nH]nc1C(F)(F)F, NC(=O)c1c(NC(=O)CBr)sc2c1CCCC2 to produce CCOC(=O)c1cn(CC(=O)Nc2sc3c(c2C(N)=O)CCCC3)nc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.