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 methyl 4-[[2-[[2-(1,3-benzothiazol-2-yl)pyrrolidin-1-yl]methyl]quinazolin-4-yl]amino]butanoate ?
user
C25H27N5O2S
assistant