You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (5Z)-5-[(3-fluoro-4-morpholin-4-ylphenyl)methylidene]-1-prop-2-enyl-2-sulfanylidene-1,3-diazinane-4,6-dione ?
user
C18H18FN3O3S
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