Using O=C(Cl)Oc1ccccc1, CC(C)(C)OC(=O)N1CCc2nc(N)sc2C1 to produce CC(C)(C)OC(=O)N1CCc2nc(NC(=O)Oc3ccccc3)sc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.