Using c1ccc(COc2cccc(-c3nc4n(n3)CCc3ccccc3-4)c2)cc1 to produce Oc1cccc(-c2nc3n(n2)CCc2ccccc2-3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.