Well, your trade idea unfortunately doesn't work, since ESPN has the wrong contract information in there for Moore (he was signed for the vet minimum to the C's after being bought out of that larger deal).
But to answer the bigger question, I think Dooling would be an excellent pickup. His contract is only guaranteed for 1 year, and is very palatable, and he would be a very nice backup PG. He can defend, he can shoot, and he can pass, plus he has excellent size. Pretty much perfect for what the C's need as the backup PG.
The question is whether the C's have anything the Nets want.