Macro: Unable to export canvas to MDL Molfile V3000 format

[AlexeyGirin]

Steps to Reproduce

1. Switch to Macromolecules view
2. Load this mol file Chem.zip (unzip first)
3. Press Save button
4. In appeared save window - switch file format to MDL Molfile V3000

Actual behavior System throws Error Message:

Convert error! Given string could not be loaded as (query or plain) molecule or reaction, see the error messages: 'molecule: getImplicitH() does not work on R-sites', 'RXN loader: bad header {', 'RXN loader: bad header {', 'molecule: casting to molecule is invalid'

Expected behavior Works as intended

Desktop (please complete the following information):

• OS: win10
• Browser Chrome 120.0.6099.110 (Официальная сборка), (64 бит)

Ketcher version [e.g. v2.4.2].

[AlexeyGirin]

No longer reproducible