Using O=[N+]([O-])c1ccccc1C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, O=Cc1ccncc1 to produce O=[N+]([O-])c1ccccc1C=Cc1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.