Iran: Is Western negotiations with Iran on the conclusion or mirage?

Iran-nuclear-Obama

After 12 years of negotiations with the government of Iran, President Barack Obama says the success rate is 50%! However, only two days left to the deadline quarter.Iran continues on its request for insisting that the licensed arms exports.I think this is due to the appeasement of the Western countries with the Iranian government that the regime can be rude and Continued human rights violations in Iran.