Complex sentence: The story is notable to it's similarities to the story Carmilla by Joseph Sheridan Le Fanu, this is not surprising since it is largely considered the main source of inspiration for le Fanu while writing Carmilla.
Split into simpler sentences: The story is notable to its similarities to the story Carmilla by Joseph Sheridan Le Fanu. This is not surprising since it is largely considered the main source of inspiration for le Fanu while writing Carmilla.