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 (E)-3-[8-[(4-tert-butyl-1,3-thiazol-2-yl)carbamoyl]-2-[3-(methylcarbamoyl)piperidin-1-yl]-4-oxopyrido[1,2-a]pyrimidin-3-yl]prop-2-enoic acid .
user
C26H30N6O5S
assistant