Take great pains to improve the divorce process (10)

I believe the answer is:

separating

I'm a little stuck... Click here to teach me more about this clue!

'improve the divorce process' is the definition.
I can't tell whether this definition defines the answer.

'take great pains' is the wordplay.
'great pains' anagrams to 'SEPARATING'.
But, I am not clear how this is indicated.

'to' is the link.

Can you help me to learn more?

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

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