Complex sentence: She is notable for the extensive media coverage and moral panic that followed her death several days after her 18th birthday, on November 11, during which she took an ecstasy tablet, then collapsed four hours later into a coma, from which she did not recover.
Split into simpler sentences: She is notable for the extensive media coverage and moral panic that followed her death several days after her 18th birthday. On her birthday, November 11, she took an ecstasy tablet, then collapsed four hours later into a coma, from which she did not recover.