Using Cc1nc2cccc(C(=O)CBr)c2nc1NCC(F)(F)F, CCOC(=O)CC(=O)[C@@H](C)NC(=O)OC(C)(C)C to produce CCOC(=O)C(CC(=O)c1cccc2nc(C)c(NCC(F)(F)F)nc12)C(=O)C(C)NC(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.