Using O=C1CCC(=O)N1Br, Cc1cnc(C(O)(c2ccccc2)C2CCCCC2)o1 to produce OC(c1ccccc1)(c1ncc(CBr)o1)C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.