Nutchanon Wetchasit
This is already mapped as node 5391636575 <https://www.openstreetmap.org/node/5391636575> and relation 2148090 <https://www.openstreetmap.org/relation/2148090>, with both Thai and English name.

Also note that the spelling is "Chit Lom" (with T not D), according to BTS:
<https://www.bts.co.th/library/system-structuer.html>