You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule tert-butyl (E)-3-[8-[(4-tert-butyl-1,3-thiazol-2-yl)carbamoyl]-2-[4-[5-[(2-methylpropan-2-yl)oxycarbonylamino]pentanoyl]piperazin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]prop-2-enoate .
user
C37H51N7O7S
assistant