You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (1R)-N-[(2R)-2-amino-2-[4-(pyridin-4-ylcarbamoyl)phenyl]ethyl]-1,2,3,4-tetrahydronaphthalene-1-carboxamide .
user
C25H26N4O2
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