You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 6-(3,4a,5,6,7,7a-hexahydro-2H-cyclopenta[b][1,4]oxazin-4-ylmethyl)-5-chloro-N-ethylpyridin-2-amine using the IUPAC nomenclature.
user
C15H22ClN3O
assistant