all you need is 2 seperate lights, now use the one in your office for the clones while you finish your mother plant in the 10' x 10' room.......when she is done.....transplant the clones from the office to your 10' x 10' room for finishing.......is that a better option...you might need to upgrade your office set up a little more ready for clones....but i think this is suitable for what you are looking for!
Peace Out,
Bliss.