You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3-hydroxycyclobutyl)-[3-(methoxymethyl)-8-methyl-6,8-dihydro-5H-imidazo[1,2-a]pyrazin-7-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H21N3O3
assistant