It is uncertain whether Iran has been in close contact with China in recent days, importing some anti-stealth radars or other anti-stealth technology equipments.
Obviously, some scientists in China have had their only job in the past 20+ years being to study how to shoot down a B-2. If the B-2 are to fly over the Iranian nuclear power plant and drop a ground penetrating missile at a fixed location, a fixed route, almost fixed time and heavily load, it would be the best opportunity to shoot down the B-2.
