Using CC(Br)C(=O)OCC1CCCO1, Oc1ccc(Oc2cnc3cc(Cl)ccc3n2)cc1 to produce CC(Oc1ccc(Oc2cnc3cc(Cl)ccc3n2)cc1)C(=O)OCC1CCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.