Using CCOC(OCC)c1[nH]c(C2CC2)nc(=O)c1Cl, O=P(Cl)(Cl)Cl to produce CCOC(OCC)c1nc(C2CC2)nc(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.