Unusual SMILES notation appears in Preview when saving in the "Daylight SMILES" file format

**Steps to Reproduce**
1. Launch "Ketcher"
2. Draw any structure with enhanced stereo on the canvas or open this file
[atrop_enhanced_stereo.zip](https://github.com/epam/Indigo/files/12577314/atrop_enhanced_stereo.zip)
3. Click on the "Save as" button
4. Select the "Daylight SMILES" file format
5. Verify the Preview

**Expected behavior**
Unusual SMILES notation is displayed at the end of the string

**Actual behavior**
Neither text nor brackets are displayed at the end of the string

**Attachments**

**Indigo/Bingo version**
1.14.0-rc.3.0 (Standalone)

**Desktop (please complete the following information):**
• OS: Windows 10 Pro (version 22H2) x64
• Browser: Сhrome
• Version: (114.0.5735.199) x64