Using CCOC(=O)CCCBr, COC(=O)c1c(F)cccc1NC(=O)OC(C)C to produce CCOC(=O)CCCN(C(=O)OC(C)C)c1cccc(F)c1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.