You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-chloro-N-[[4-(cyclopropylmethyl)phenyl]methyl]thieno[2,3-d]pyrimidin-4-amine is given. What is its corresponding molecular formula?
user
C17H16ClN3S
assistant