In a certain code language, 'CAUTION' is written as 'NOITCAU'. How will 'FOREVER' be written in that language?

PEVEEOR FOEVRPR REVEFOR PEVEROF

REVEFOR

The code is the first three letters are kept at last and kept same, fourth letter is the same and last three letters are reversed and kept in first, such that: By the same logic, 'FOREVER' is written as: