You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-ethylanthracene-9,10-dione;(4-hydroxyphenyl)-phenylmethanone;2-methyl-2-piperidin-1-yl-1-[4-(sulfanylmethyl)phenyl]propan-1-one;thioxanthen-9-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C58H53NO6S2
assistant