You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[[4-benzyl-5-(5-bromofuran-2-yl)-1,2,4-triazol-3-yl]sulfanylmethyl]-2-chloropyridine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H14BrClN4OS
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