You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-methyl-1-[(1S,5R,6S,7S)-3-methyl-7-pyrimidin-5-yl-8-oxatricyclo[3.2.1.02,4]octan-6-yl]methanamine;molecular hydrogen .
user
C14H21N3O
assistant