Using O=C1CC(=O)N(c2ccccc2)c2ccccc2N1, Cc1ccc(N(C(=O)CBr)C(C)C)cc1 to produce Cc1ccc(N(C(=O)CN2C(=O)CC(=O)N(c3ccccc3)c3ccccc32)C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.