You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2R,5S,10S,11R,15S,23R)-5-[2-(2-hydroxyethyl)tetrazol-5-yl]-1,2,8,8,15,22,22-heptamethyl-20-oxa-19-azahexacyclo[12.11.0.02,11.05,10.015,23.017,21]pentacosa-13,17(21),18-trien-12-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H47N5O3
assistant