how much space are you working with?
box or closet?
height restrictions?
light proof? Ventilated?

One plant?? Why only one? Are you preparing to start a little perpetual grow and will be growing six plants? Is this ongoing or one time? Who's gonna know? Who could possible see it?
Are you really gonna go through all this to grow only one plant?


In answer to your question though, there is a good little DIY scrubber if you search on DIY carbon scrubber. A plastic tub of kitty litter works well too. Smell however can be dealt with later, in about 10 weeks from now. There are priorities that must be dealt with first.

Have fun though. Read lots.