You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1S,3aR,4R,5R,7aS)-2-[(1S)-2-hydroxy-1-phenylethyl]-4-N-methyl-3-oxo-5-propyl-1-N-(2,4,4-trimethylpentan-2-yl)-3a,4,5,7a-tetrahydro-1H-isoindole-1,4-dicarboxamide into molecular formula.
user
C30H45N3O4
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