Using Oc1ccc(C2CN(CC3CC3)CCc3c2cc(O)c(O)c3Cl)cc1, CC(=O)Br to produce CC(=O)Oc1ccc(C2CN(CC3CC3)CCc3c2cc(OC(C)=O)c(OC(C)=O)c3Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.