You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-6-naphthalen-1-yl-2-sulfanylidene-1,3-thiazin-4-one .
user
C25H19N3O2S2
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