I can't think of anything right now, but thank you for asking.
I think I'm ok for now. Thank you.
ーI can't think of anything right now, but thank you for asking.
「今は特に思いつかないです。聞いてくれてありがとう。」
can't think of anything で「何も思いつかない」
right now で「現時点では」
ーI think I'm ok for now. Thank you.
「今のところ大丈夫です。ありがとう。」
I'm ok. で「大丈夫です」
for now で「今のところ・さしあたり」
ご参考まで!