You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 6-chloro-4-N-[2-[(2R,6R)-2,6-dimethylmorpholin-4-yl]ethyl]pyrimidine-2,4-diamine .
user
C12H20ClN5O
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