You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R,4S)-4-(1-benzothiophen-2-ylmethyl)-N-[(2S)-1-[(4-carbamimidoylphenyl)methylamino]-1-oxopropan-2-yl]piperidine-2-carboxamide into molecular formula.
user
C26H31N5O2S
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