You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (4E)-4-[(E)-3-[10-[(2E,4Z)-6-naphthalen-1-ylhexa-2,4-dien-2-yl]anthracen-9-yl]but-2-enylidene]-20-oxa-3-thiapentacyclo[11.7.0.02,6.07,12.014,19]icosa-1(13),2(6),7,9,11,14,16,18-octaene into molecular formula.
user
C52H38OS
assistant