Synthesis, spectral properties and DNA binding and nuclease activity of lanthanide (III) complexes of 2-benzoylpyridine benzhydrazone: X-ray crystal structure, Hirshfeld studies and nitrate-π interactions of cerium(III) complex /KARREDDULA RAJA, AKKILI SUSEELAMMA and KATREDDI HUSSAIN REDDY - RAJA,KARREDDULA