Using FC(F)(F)c1ccc(CBr)o1, O=C1Nc2ccccc2C12COc1cc3c(cc12)OCO3 to produce O=C1N(Cc2ccc(C(F)(F)F)o2)c2ccccc2C12COc1cc3c(cc12)OCO3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.