How many chirality centers are present in the compound shown below? 
Definitions:
Optimism
A mindset defined by optimism and belief in a successful and positive outcome.
Received Support
The perception or experience of having support available from others in times of need, which can significantly impact an individual's stress levels and well-being.
Immune System
A complex network of cells, tissues, and organs that work together to defend the body against harmful pathogens and diseases.
Sleep Deprivation
The condition of not having enough sleep; can negatively affect brain function, emotional well-being, and physical health.
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