Using O=C1NC(=O)c2ccccc21, O=c1c2ccc(Cl)cc2[nH]c2c(O)nn(CCBr)c(=O)c12 to produce O=C1c2ccccc2C(=O)N1CCn1nc(O)c2[nH]c3cc(Cl)ccc3c(=O)c2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.