you're using the lens wide open at 1.8.
You're seeing reflections or shapes from lenses inside your nikkor, lighted by the many lights in your night scene.
I bet those halos disappear when you stop down to f2.8 or maybe you need to go to f4.0.
But since you're already at iso 3200, stopping down isn't much of an option

Most lenses are not so good wide open, very normal for 50mm high speed primes.
Most of them are soft wide open, others show this type of halos, especially towards the edges.
You can see in your frame that the halos getting bigger on the edges.