You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-(4-carbamimidoylphenoxy)-2,3-bis(2-oxopiperazin-1-yl)-3-thiophen-2-ylhexanoic acid by IUPAC nomenclature, provide its molecular formula.
user
C25H32N6O5S
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