You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-(5-amino-[1,3]thiazolo[5,4-d]pyrimidin-7-yl)piperazin-1-yl] N-(2,3-dihydro-1H-inden-5-yl)carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H21N7O2S
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