You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-(3-ethylsulfanyl-2,5-dioxopyrrolidin-1-yl)-N-[3-hydroxy-2-methyl-6-[[3,5,12-trihydroxy-3-(2-hydroxyacetyl)-10-methoxy-6,11-dioxo-2,4,12,12a-tetrahydro-1H-tetracen-1-yl]oxy]oxan-4-yl]benzamide into molecular formula.
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C40H42N2O14S
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