What is the fine-grained topic of the following text: A parallel, unprecedented deal with private lenders is being sought to slash at least 50 percent of the interest creditors would cash in on some €200 billion worth of Greek bonds - a precondition for the second IMF-EU-ECB bail-out. Only return the topic.
Negotiation for a deal to slash interest on Greek bonds as precondition for a second IMF-EU-ECB bail-out