You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name (11R,26R)-19,20-dimethoxy-10,25-dimethyl-2-oxa-10,25-diazaheptacyclo[26.2.2.213,16.13,7.118,22.011,36.026,33]hexatriaconta-1(31),5,7(36),13,15,18(33),19,21,28(32),29,34-undecaene ?
user
C37H42N2O3
assistant