Using c1ccc(N=C(CC(Sc2ccccc2)Sc2ccccc2)Sc2ccccc2)cc1 to produce C(=C(Sc1ccccc1)Sc1ccccc1)C(=Nc1ccccc1)Sc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.