Using O=c1c2ccccc2oc2c(O)cccc12, CCOP(=O)(Cl)c1c(Cl)cc(Cl)cc1Cl to produce CCOP(=O)(Oc1cccc2c(=O)c3ccccc3oc12)c1c(Cl)cc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.