Using O=C(NCCBr)OCc1ccccc1, COC(=O)c1cccc(F)c1NC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N(CCNC(=O)OCc1ccccc1)c1c(F)cccc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.