Using Oc1nn2c(-c3ccccc3F)nncc2c1Br, Cn1ncnc1CCl to produce Cn1ncnc1COc1nn2c(-c3ccccc3F)nncc2c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.