Using O=c1[nH]c2ccc(Br)cc2s1, CC(C)(C)OC(=O)N1CCC(CO)CC1 to produce CC(C)(C)OC(=O)N1CCC(Cn2c(=O)sc3cc(Br)ccc32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.