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Needing no organ transplant is capital (7)

Ross

I believe the answer is:

rangoon

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'is capital' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

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(Other definitions for rangoon that I've seen before include "Former capital of Burma" , "Former Burmese capital" , "Burma's capital" , "It's now Yangon in Myanmar" , "Alternative name for Yangon" .)

I've seen this clue in the Evening Standard.
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