Found open port with unknown service. How do I attack it?

After running an NMAP scan, I found port 39010 open with unknown service. How do I find out the service? It isn't showing that there is a fingerprint either

$ nmap -p39010 -sV -A x.x.x.x
Starting Nmap 7.93 ( https://nmap.org ) at 2023-08-04 05:52 IST
Nmap scan report for ec2... (x.x.x.x)
Host is up (0.073s latency).

PORT STATE SERVICE VERSION
39010/tcp open unknown

Service detection performed. Please report any incorrect results at https://nmap.org/submit/ .
Nmap done: 1 IP address (1 …

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