What is the intermediate enamine in the following reaction scheme? 
Definitions:
Parallel Processing
The ability of the brain to simultaneously process incoming stimuli of differing quality, a cornerstone of nearly all cognitive functions.
Dual-Processing System
The concept in psychology that suggests there are two different systems in the brain for processing information: one that is fast, automatic, and nonconscious, and another that is slower, more deliberate, and conscious.
Circadian Rhythm
The natural, internal process that regulates the sleep-wake cycle and repeats on each rotation of the Earth roughly every 24 hours.
Narcolepsy
A sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times.
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