Smooth object form cubic spline

 From:  Lara (MALA)
10092.1 
Hi,
I need support please...a spline, made in c4d, I imported to MOI.
If I do a sweep I do not get a smooth body. On the other side I do not want do it with a spline with much more points.
Is it possible to make smoother with that less point I got now?

Best, Mala

EDITED: 10 Feb 2021 by MALA