You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named morpholin-4-yl-[5-oxo-1-(4-phenylphenyl)-4H-thiochromeno[4,3-c]pyrazol-3-yl]methanone is given. What is its corresponding molecular formula?
user
C27H23N3O3S
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