Using Cc1ccc(NC(=O)c2ccc3ccccc3c2)nc1, O=C1CCC(=O)N1Br to produce O=C(Nc1ccc(CBr)cn1)c1ccc2ccccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.