Which of the following reagents will best complete the reaction below? 
Definitions:
Constructionist Perspective
A sociological approach emphasizing how social phenomena are created through collective definitions and social interactions.
Voluntary Act
A behavior or action undertaken by an individual willingly, without coercion.
Observable
Capable of being seen or noticed through direct observation.
Constructionists
Advocates of constructionism, a theory that suggests knowledge and reality are not objective but constructed by societal or cultural contexts.
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