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 [(1R,2R,3R,4R,6S,8S,9S,10S)-4-butyl-9-hydroxy-6-methyl-5,7-dioxatetracyclo[6.3.0.02,6.03,10]undecan-4-yl] 3-chlorobenzoate ?
user
C21H25ClO5
assistant