You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-methyl-5-[(2-thiophen-3-yl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidin-4-yl)sulfanyl]-1,2,4-triazol-3-yl]methanol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H17N5OS3
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