Using CC(C)(C)OC(=O)N1CCc2c(sc3nc[nH]c(=O)c23)C1, O=P(Cl)(Cl)Cl to produce CC(C)(C)OC(=O)N1CCc2c(sc3ncnc(Cl)c23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.