You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1E)-N-[3-(2-methoxyethyl)oxadiazol-3-ium-5-yl]-2-(3-methyl-4-oxoquinazolin-2-yl)sulfanylethanimidate into its molecular formula.
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C16H17N5O4S
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