Snake got into South American capital (6)

I believe the answer is:

bogota

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'south american capital' is the definition.
'bogota' can be an answer for 'capital' (Bogota is an example). I'm unsure of the 'south american' bit.

'snake got into' is the wordplay.
'snake' becomes 'boa' (boa is a kind of snake).
'into' indicates putting letters inside.
'boa' going around 'got' is 'BOGOTA'.

Can you help me to learn more?

(Other definitions for bogota that I've seen before include "Colombian capital" , "Columbian capital" , "Colombian city" , "Capital city of Colombia" , "Andean city" .)

I've seen this clue in the Sydney Morning Herald.

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