What series of synthetic steps could be used to carry out the transformation shown below? 
Definitions:
Antagonist
A substance or character that opposes or inhibits the action of another in a particular situation or story.
Neurotransmitter
A neurotransmitter is a chemical substance that transmits signals across a synapse from one neuron to another in the nervous system.
Endocrine Glands
Glands in the body that secrete hormones directly into the bloodstream, regulating various bodily functions and processes.
Hormones
Chemical substances produced by glands in the endocrine system that regulate various bodily functions and behaviors by acting on specific target cells.
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