Removing Artist out of the Title

Example
Filename: ACDC - Hells Bells

Title: ACDC - Hells Bells

Artist: (blank)

How can I remove "ACDC - " out of the Title and just "ACDC" Into the Artist

Result I want
Filename: ACDC - Hells Bells

Title: Hells Bells

Artist: ACDC

Thank you

Make a new action

Action type: Guess values
Source format: %title%
Guessing pattern: %artist% - %title%

Thanks Dano!

Wow, so simple and quick too.

I had tried similar but back to front LOL.

Thank you for that.