You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-ethoxy-N-(2-imidazol-1-ylethyl)-2-phenyl-6,7,8,9-tetrahydro-5H-cyclohepta[d]pyrimidine-7-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27N5O2
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