Using OC(CCC(c1ccccc1)c1ccccc1)c1cncn1Cc1ccccc1 to produce C(=Cc1cncn1Cc1ccccc1)CC(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.