If such a front is opened, what does molotov predict?

Molotov believed that a second front would fend off and draw away the Germens from the Soviet Union.

The Second front is the millitary lined which filled with many alliances nations such as France, United Kingdom, and norway.

If this second front was opened, the Soviet Union believe that it will divide the Germany's attention to potential attacks from these nations which will make them fend off their attack toward soviet union.