Using FCCBr, CCCN(CCC)C1Cc2cc(OCC)c(C(N)=O)cc2C1 to produce CCCN(CCC)C1Cc2cc(OCC)c(C(=O)NCCF)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.