You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 8,8-dimethyl-5-(3-phenoxyphenyl)-2-sulfanylidene-5,7,9,10-tetrahydro-1H-pyrimido[4,5-b]quinoline-4,6-dione ?
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C25H23N3O3S
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