You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-1-[(2S)-2-cyclopentyl-2-[[(3S)-3-[5-(7-methoxy-2-oxo-1H-quinolin-3-yl)pentoxy]pyrrolidine-1-carbonyl]amino]acetyl]-N-[(1R,2R)-1-(cyclopropylsulfonylcarbamoyl)-2-ethylcyclobutyl]pyrrolidine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C42H60N6O9S
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