Macro: Oxygen cannot be a leaving group in a chemical reaction

[Zhirnoff]

Steps to Reproduce

1. Switch to Macromolecules mode
2. Add Peptide and RNA (or CHEM) monomer on canvas (ex.: Peptide - 3-sulfoalanine; RNA - Phosphate; CHEM - Azide)
3. Bond placed monomers using Bond Tool
4. Look at leaving group in appeared modal window

Actual behavior Oxygen(O) shows up as leaving group in chemical reaction

Expected behavior Hydroxyl group(OH) should show up as a leaving group in a chemical reaction

Screenshots

Desktop (please complete the following information):

• OS: Windows 10
• Browser Chrome
• Version 112.0.5615.138 (Official Build) (64-bit)

Ketcher version Version 2.15.0-rc.4

[Zhirnoff]

Tested.