You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-cyclopropyl-5-methyl-1-(oxetan-3-ylmethyl)-2,4-dioxothieno[2,3-d]pyrimidine-6-carbaldehyde into molecular formula.
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C15H16N2O4S
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