Using CCOP(=O)(COc1ccc(-c2c3ccccc3cc3sc4ccccc4c23)cc1)OCC to produce O=P(O)(O)COc1ccc(-c2c3ccccc3cc3sc4ccccc4c23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.