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 N-[2-(2-chlorophenyl)-3-(4-chlorophenyl)-5,6,7,8-tetrahydrooxepino[3,2-c]pyrazol-8-yl]pyridine-3-carboxamide .
user
C25H20Cl2N4O2
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