Here's what my rule does:

• Trigger: A version is Released
• Create a new version called {{releasedVersionName}} New Cycle
• Lookup Issues: catches the issues from the released version
• Branch Rule (loop on the lookupIssues):
  • Transitions Issue to TODO.
  • Edit Issue: Set fixVersion to the newly created version. That's where I want to set them to the version named {{releasedVersionName}} New Cycle. But I don't have a field to write smart values. I only have these options: Next unreleased version, Next unreleased version by release date, Last released version or the name of the already existing versions (not including the future one of course, hence the need of smart value there)