File in /.Spotlight-V100 on bad block

So I have a file

/.Spotlight-V100/Store-V2/9ED490D0-6169-4B28-A1B6-46E34ABD0CD1/5.indexPositions

which when read causes an IO error

disk1: I/O error.
         0 [Level 3] [Facility com.apple.system.fs] [ErrType IO] [ErrNo 5] [IOType Read] [PBlkNum 694560423] [LBlkNum 5087] 
         0 [Level 3] [Facility com.apple.system.fs] [DevNode /dev/disk1] [MountPt /] [Path /.Spotlight-V100/Store-V2/9ED490D0-6169-4B28-A1B6-46E34ABD0CD1/5.indexPositions] 

consistently. S.M.A.R.T status shows no problem, nor does Disk Utility.

For the moment I'm happy to just move the file away and forget about it, it's not too big; however I can't imagine this would be good for spotlight and would like to repair the damage after the fact.

What would be the best way to handle this situation?