Which of the following is NOT a possible reaction scheme to obtain the final product shown below? 
Definitions:
Brain
An organ of the central nervous system in vertebrates, housed in the skull, responsible for coordinating sensation, intellectual, and nervous activity.
Temporal
Temporal refers to anything related to time, whether it pertains to its measurement, its passage, or its characteristics within contexts.
Da Vinci
Renowned Italian polymath of the Renaissance period known for his contributions to art, science, and engineering.
Escher
A Dutch artist known for his mathematically inspired woodcuts, lithographs, and mezzotints featuring impossible constructions and explorations of infinity.
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