Downwind - hi - welcome to PPrune.
'Fraid you won't like the answer to your question...
Click on
this link for redirection to another thread that has been running for some time (about a month).
Read it carefully - it tells you what the new procedures should be (but they aren't).
The "bottom line" is that, at the moment, you cannot convert your licence anymore. Consider, I say again,
consider doing an FAA "skill test" (called a "check ride") at the San Fransisco school.