Using CC(=O)OC(C)=O, Brc1cnc(Nc2nc(C3CCNCC3)cs2)c(Oc2ccccc2)c1 to produce CC(=O)N1CCC(c2csc(Nc3ncc(Br)cc3Oc3ccccc3)n2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.