How to move part of text to end of line in Notepad++?

Question

Regular Expressions

Hello, there are lines like
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246: In the fourth chapter I described how Madhavendra Puri installed the Deity of Gopala and how Gopinatha stole a pot of condensed milk at Remun.
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As a number at the beginning, move to the end of the line before the period (only so that there is a space between the text and the number in brackets), you need to get this as a result:
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In the fourth chapter I described how Madhavendra Puri installed the Deity of Gopala and how Gopinatha stole a pot of condensed milk at Remun (246).
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number in brackets can be anything

Answer 1

Provided that there is always one dot at the end of the line.
Search:
^(\d+): (.*)[.]{1}$
Replacement:
\2 \(\1\).