What is the best choice of reagent(s) to perform the following transformation? 
Definitions:
Syrinx
The vocal organ in birds, located at the base of a bird’s trachea, which enables the production of complex sounds and birdcalls.
Proximate Levels
Describes immediate, underlying causes of biological processes or behaviors, focusing on how they occur.
Ultimate Levels
Explanations in biology that address why events occur, based on evolutionary significance and history.
Sonograms
Visual representations of the spectrum of frequencies of sound as they vary with time, often used in bird song analysis.
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