You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2S)-2-[[(2S)-2-[(2S)-butan-2-yl]-3-oxo-2H-imidazo[1,2-c]quinazolin-5-yl]sulfanyl]-N-(2-methylphenyl)butanamide is given. What is its corresponding molecular formula?
user
C25H28N4O2S
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