Using COc1cc2c(cc1OC)C([P+](c1ccccc1)(c1ccccc1)c1ccccc1)OC2=O, O=Cc1ccncc1 to produce COc1cc2c(cc1OC)C(=Cc1ccncc1)OC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.