You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (3'R,4S,6'R,7'S,8'E,11'S,12'S)-6-chloro-7'-methoxy-12'-(methoxymethyl)-11'-methyl-15',15'-dioxospiro[2,3-dihydro-1H-naphthalene-4,22'-20-oxa-15lambda6-thia-1,14-diazatetracyclo[14.7.2.03,6.019,24]pentacosa-8,16(25),17,19(24)-tetraene]-13'-one .
user
C34H43ClN2O6S
assistant