Rename the One File in a Folder the Name of Which Contains X

Yes.

But there are several ways to implement this.
We need to start with a clear example from you:

  1. Source File Name
  2. UID of the file you want to change
  3. New Title you want
  4. Example of renamed file

Questions:

  1. How do you want to identify the folder/file?
    • Select the folder (or files) in the Finder, then trigger the macro
    • Set a specific folder to always use in the Macr
    • Prompt for the folder or file to change
  2. What is the source for the replacement Title?
    • Enter for each file
    • UID Title list in Macro
    • UID Title List in file

If you already have a macro that partially works, then please upload your macro .

Please read:
Tip: How Do I Get The Best Answer in the Shortest Time?