You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R,6E,10E,12E)-15-chloro-16,18-dihydroxy-4,10-dimethyl-12-(2-oxo-2-piperidin-1-ylethoxy)imino-3-oxabicyclo[12.4.0]octadeca-1(14),6,10,15,17-pentaen-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H33ClN2O6
assistant