You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[4-[4-[2-(1,3-benzodioxol-5-yl)ethylamino]-6-ethylthieno[2,3-d]pyrimidin-2-yl]cyclohexyl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H29N3O4S
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