You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [4-[(3,5-dimethyl-1,2-oxazol-4-yl)sulfonyl]piperazin-1-yl]-[4-(5-methyl-1,2,4-oxadiazol-3-yl)pyridin-3-yl]methanone by IUPAC nomenclature, provide its molecular formula.
user
C18H20N6O5S
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