What is the reactant of the following reaction sequence? 
Definitions:
United States
A country located in North America, consisting of 50 states and known for its significant cultural and political influence worldwide.
Psychotic Disorder
A mental disorder characterized by a disconnection from reality, often manifesting as delusions or hallucinations.
Prevalence
The proportion of a particular population found to be affected by a specific condition at a specific time.
Delusional Disorder
A psychiatric condition characterized by persistent delusions (beliefs or ideas not based in reality), without other prominent symptoms of psychosis such as hallucinations.
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