Complex sentence: They further felt the storyline and screenplay were too unconventional to attract a wide audience, and noted that the narrative of Ranvir Shorey as The Writer "tends to grate on your nerves at times".
Split into simpler sentences: They further felt the storyline and screenplay were too unconventional to attract a wide audience. They noted that the narrative of Ranvir Shorey as The Writer "tends to grate on your nerves at times".