What is the best way to perform the transformation shown below? 
Definitions:
Biological Factor
A contributing component of living organisms, such as genetic, neurological, or physiological conditions, that affect their functions or behaviors.
Serotonin
A neurotransmitter in the brain that regulates mood, appetite, and sleep, playing a key role in mental health and wellbeing.
Diagnosable Mental Disorder
A mental disorder that can be identified and classified based on standard criteria in a diagnostic manual, indicating significant psychological distress or impairment.
Probable
Likely to happen or be the case.
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