Using CCOP(=O)(OCC)C(c1ccc2cc(OC)ccc2c1)P(=S)(OCC)OCC to produce COc1ccc2cc(C(P(=O)(O)O)P(O)(O)=S)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.