辞退 じたい
jitai

Noun
Suru Verb

1. declining; refusal; nonacceptance; turning down; withdrawal (e.g. of candidacy); pulling out (e.g. of a race); excusing oneself

Intransitive
芥川 あくたがわ しょう受賞 じゅしょう辞退 じたいしたいのですが。
akutagawashōno jushōo jitai shitai nodesuga.
I would like to excuse myself from receiving the Akutagawa Prize.