Using CCOP(=O)(CCCc1nc2cc(-c3ccc(-c4ccccc4)cc3)c(Cl)cc2[nH]1)OCC to produce O=P(O)(O)CCCc1nc2cc(-c3ccc(-c4ccccc4)cc3)c(Cl)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.