What is the best choice of reagent to perform the following transformation? 
Definitions:
Focusing On Narrow Areas
The practice of dedicating efforts or resources towards a specific and limited field of work or study to achieve expertise or efficiency.
Externalizing
Projecting one's own feelings, responses, or thoughts onto the external world or other people.
Collaborative Computing
Collaborative computing refers to technologies and practices that enable individuals to work together on shared tasks or projects, typically in a digital environment.
Broader Participation
Involvement of a wider range of individuals or groups in a decision-making process or project, aiming to enhance inclusivity and diversity.
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