You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3-hydroxypyrrolidin-1-yl)-[2-methyl-5-(1-phenylethylamino)-[1,3]thiazolo[4,5-d]pyrimidin-7-yl]methanone ?
user
C19H21N5O2S
assistant