[EPIC] Enhanced Stereochemistry about ketcher HOT 1 CLOSED

The requirements have been partly changed. The new version of acceptance criteria №3, 4 is as follows:

3. ‘Enhanced Stereochemistry’ window design:
   
   …The drop-down list fields with the numbers of the created groups are present for 'Add to AND [ ] Group' and 'Add to OR [ ] Group' settings. 'Add to AND [ ] Group' setting becomes available when at least one AND group has been created on the canvas. 'Add to OR [ ] Group' setting becomes available when at least one OR group has been created on the canvas….

4. ...User selects another structure stereocenter, clicks ‘Stereochemistry’ button, chooses any unselected radiobutton, e.g. Add to AND [ ] Group, selects the number of a group ('1' in our example)...
   ...If several AND Groups/OR Groups have been already created user can assign a stereo mark by selecting the number of one of the groups in the drop-down list fields...
   ...Selects the number of one of the created groups in the drop-down list field and clicks the 'Cancel' button: ‘Enhanced Stereochemistry’ window is closed. No any stereo mark appears.
   • Selects the number of one of the created groups and clicks the 'OK' button: ‘Enhanced Stereochemistry’ window is closed. ‘&N’ or ‘orN’ stereo mark appears below the selected stereocenter (Where N is the number of the created group)…

from ketcher.