Right now in reported speech
How to rewrite this sentence in reported speech? How to rewrite 'right now' ?

I can't promise anything right now.
She said.................

Question

Right now in reported speech
How to rewrite this sentence in reported speech? How to rewrite 'right now' ?

I can't promise anything right now.
She said.................

Answer

She said (that) she couldn't promise anything right then. 
(can't --> couldn't / now --> then)

Answer

She said she couldn't promise(commit to) anything right now/at that moment

Answer

"I'll do it right now."  --> "She said she would do it right then."

Answer

I think this is not correct