You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[(4,5-dimethoxy-2,3-dimethylcyclohepta-1,4,6-trien-1-yl)methoxy]-1,3,4-thiadiazol-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H19N3O3S
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