You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[17-[2-(2-amino-6-oxo-2,3,4,5,7,8-hexahydro-1H-purin-9-yl)phenyl]-23,24,25-trihydroxy-18-(3-hydroxypropyl)-6,13-dioxo-2,20,26-trioxapentacyclo[20.3.1.03,16.05,14.07,12]hexacosa-3,5(14),7,9,11,15-hexaen-4-yl]oxy]-3-hydroxybutanal is the IUPAC name of a molecule. Please give its molecular formula.
user
C41H47N5O13
assistant