You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
14-hydroxy-6-[4-(2-hydroxyethyl)phenyl]-13-(1-hydroxy-4-methylpentan-2-yl)-6,13-diazatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),2,4(16),8,10-pentaene-5,7,12-trione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H28N2O6
assistant