YOU SAID:
I don't know what to do so I'm doing this
INTO JAPANESE
私は何をすべきかわからないので私はこれをやっている
BACK INTO ENGLISH
I am doing this because I do not know what to do
INTO JAPANESE
私は何をすべきかわからないので、私はこれをやっています
BACK INTO ENGLISH
I am doing this because I do not know what to do
You've done this before, haven't you.