You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[(3R,5S)-1-azabicyclo[3.2.1]octan-3-yl]-3-(thiomorpholine-4-carbonyl)thieno[2,3-c]pyridine-5-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C20H24N4O2S2
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