Using CCOC(=O)C(C)(C)CCCC(Br)c1ccccc1Cl, c1cc2c(s1)CCNC2 to produce CCOC(=O)C(C)(C)CCCC(c1ccccc1Cl)N1CCc2sccc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.