Using Oc1cc(O)c(-c2nc(-c3ccccc3)nc(-c3ccccc3)n2)cc1Cl, CCCCCCBr to produce CCCCCCOc1cc(O)c(-c2nc(-c3ccccc3)nc(-c3ccccc3)n2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.