Using CC(CO[Si](C)(C)C(C)(C)C)Oc1ccccc1C=O, O=P([O-])(O)O to produce CC(CO[Si](C)(C)C(C)(C)C)Oc1ccccc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.