Using Cc1oc(-c2ccc(Cl)cc2)nc1CBr, NC(=O)c1c(F)ccc(O)c1F to produce Cc1oc(-c2ccc(Cl)cc2)nc1COc1ccc(F)c(C(N)=O)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.