You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (3S,3aS,6aR)-2-[(2S)-2-[[(2S)-2-[[5-(4-cyclopentyl-1-methylcycloheptyl)pyrazine-2-carbonyl]amino]propanoyl]amino]-3,3-dimethylbutanoyl]-N-[(3S)-1-(cyclopropylamino)-2-hydroxy-1-oxohexan-3-yl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxamide ?
user
C44H69N7O6
assistant