You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(3R,5S)-1-azabicyclo[3.2.1]octan-3-yl]thieno[3,2-b]pyridine-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H17N3OS
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