How would you say "so" in the context of, say: "I want to read a book, so I should go to the library"? Are there multiple ways?

I think that's when  we might use  donk (so, therefore) or  konsa (so),  and sometimes pa konsekan (so therefore)
I want to read a book, so I should go to the library.
Mwen vle li yon liv, donk mwen ta dwe ale nan bibliyotèk la.
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