(Solved): Identify reagents that can be used to achieve the following transformation: The transformation abo ...

Identify reagents that can be used to achieve the following transformation: The transformation above can be performed with some reagent or combination of the reagents listed below. Give the necessary reagent(s) in the correct order, as a string of letters (without spaces or punctuation, such as "EBF"). If there is more than one correct solution, provide just one answer.