Using O=C(O)c1ccc2c(c1)C(=O)N(c1c(Cl)cccc1Cl)C2=O, Cc1ccc(N)cc1C to produce Cc1ccc(NC(=O)c2ccc3c(c2)C(=O)N(c2c(Cl)cccc2Cl)C3=O)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.