Create an image featuring a close-up of a smiling mouth with the following modifications: 1. Change the lip color to a soft peach tone. 2. Introduce a slight gap between the front teeth for a more natural appearance. 3. Alter the overall tooth shape to be slightly rounder. 4. Soften the smile by lowering the corners of the mouth slightly. 5. Adjust the lighting to create a warm and inviting ambiance. Ensure that any brand references are omitted.