You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-fluoro-N-[3-[2-(7-methoxy-3,3-dimethyl-4H-isoquinolin-1-yl)acetyl]phenyl]benzamide into molecular formula.
user
C27H25FN2O3
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