You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-N-[(1R)-1,2,3,4-tetrahydronaphthalen-1-yl]-2-[1-(thiophen-2-ylmethyl)tetrazol-5-yl]sulfanylpropanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H21N5OS2
assistant