Bid three clubs but hope it doesn't go all pass.
In real life South bid three hearts, which induced his partner to take an expensive phantom save against four spades. This accident might have been avoided if South had considered that it was almost certain that West had a good hand with spades. After all, West didn't have hearts, yet he must have been prepared to make an invitational or stronger bid if his partner responded two hearts to his Stayman.
A bid of three clubs over East's two spades showing club values plus hearts would have helped North. But it is by no means clear that this is what three clubs shows, because no one can bid a natural two clubs over one notrump these days.
Three clubs = 10
Pass = 7
Three hearts = 0
Bridge Today, Sep-Oct 1993, p. 8