Help me find the book, I've been looking for a very long time! (STALKER: Shadow of Chernobyl)

A book about a stalker and a cat whom he saw in some kind of reeds when the cat fought with a bloodsucker and then they traveled together, I remember that they communicated telepathically and in the end they destroyed some kind of laboratory in Pripyat. There were four of them a stalker vowel hero, a stalker his friend, some kind of girl and a cat! In the end, they blew up the laboratory and the stalker with the cat did not have time to escape, but that girl and friend survived