Using [Li]C, c1ccc(P(c2ccccc2)c2cccc3cccnc23)cc1 to produce CC1C=Cc2cccc(P(c3ccccc3)c3ccccc3)c2N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.