You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[(2-aminoethylamino)methyl]-3-cyclopropyl-5-methyl-1-(3,3,3-trifluoropropyl)thieno[2,3-d]pyrimidine-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H21F3N4O2S
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