You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-(9,10-dioxoanthracen-2-yl)-2-[(2-methyl-[1,2,4]triazolo[1,5-c]quinazolin-5-yl)sulfanyl]propanamide into molecular formula.
user
C27H19N5O3S
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