Complex sentence: The student bowlers were not up to the task of dismissing Derbyshire a second time in the 53 overs that remained, but Jonathan Moss scored 109 not out, with the game ending when the visitors declared on 226 for 2.
Split into simpler sentences: The student bowlers were not up to the task of dismissing Derbyshire a second time in the 53 overs that remained. Indeed, they fared poorly, as Jonathan Moss scored 109 not out, with the game ending when the visitors declared on 226 for 2.