Using CCc1nn(C2CCCC2)c2cc(C(O)(Cc3ccncc3)c3ccccc3)ccc12 to produce CCc1nn(C2CCCC2)c2cc(C(=Cc3ccncc3)c3ccccc3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.