You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,7S,13S,18R)-10-(4-aminobutyl)-4-[(4-hydroxyphenyl)methyl]-7-(1H-indol-3-ylmethyl)-16,16-dimethyl-15,17,19-trioxa-3,6,9,12-tetrazatricyclo[11.6.0.014,18]nonadecane-2,5,8,11-tetrone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C34H42N6O8
assistant