You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3-ethyl-1,2-oxazol-5-yl)-[3-(4-methyl-1H-pyrazol-5-yl)morpholin-4-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H18N4O3
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