You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[3-[4-[(2R)-2-hydroxy-2-(6-methoxyquinolin-4-yl)ethyl]piperazin-1-yl]propyl]-7,7a-dihydro-1H-benzimidazol-2-one into its molecular formula.
user
C26H33N5O3
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