Lobeline (structure shown) is a natural alkaloid found in a number of plants including "Indian tobacco" (Lobelia inflata) and "Devil's tobacco" (Lobelia tupa) . Lobeline has been used as a smoking cessation aid. How many trigonal planar carbon atoms are in lobeline? 
Definitions:
Suicide
Purposefully ending one's life.
Low Levels
Referring to a reduced quantity or intensity of a specific substance, factor, or activity often compared to a standard or expected range.
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.
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