Using FC(F)(F)c1cccc2c(-c3ccccc3)c(CBr)cnc12, Oc1ccccc1 to produce FC(F)(F)c1cccc2c(-c3ccccc3)c(COc3ccccc3)cnc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.