Using CC1(C)C(=O)NC(=O)N1CCNc1ncc(Br)c(-c2cc3c(s2)CCNC3)n1, CC(C)=O to produce CC(C)N1CCc2sc(-c3nc(NCCN4C(=O)NC(=O)C4(C)C)ncc3Br)cc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.