Watch the Europe: 2 online guitar lesson by TrueFire from Play Jazz Guitar 10: Advanced Soloing Approaches
Lesson Source: Carl Verheyen's S.W.A.T. Sessions: Jazz Rock
Here I'll show you a long Em7 line that I've got worked out for just this type of situation. You never know when you'll need a long, minor key line so working them out is a great way to have material or "money in the bank" to draw on.