Using CCNCC, CCCCCOP(=O)(CP(=O)(OCCCCC)OCCCCC)OCCCCC to produce C=C(P(=O)(OCCCCC)OCCCCC)P(=O)(OCCCCC)OCCCCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.