Using CCOP(=O)(CSc1nc2cc(Cl)c(C#Cc3ccccc3)cc2[nH]1)OCC to produce O=P(O)(O)CSc1nc2cc(Cl)c(C#Cc3ccccc3)cc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.