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 identified by (2S)-2-[[4-[2-[4-carbamoyl-5-(carbamoylamino)thiophen-2-yl]ethynyl]phenyl]methylamino]-4-cyclopentyl-4-methylpentanoic acid ?
user
C26H32N4O4S
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