Using CCI, CC(C)(C)OC(=O)N1CC2C(C1)C2C(=NO)c1ccc(Cl)c(Cl)c1 to produce CCON=C(c1ccc(Cl)c(Cl)c1)C1C2CN(C(=O)OC(C)(C)C)CC21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.