You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (1R,12R)-9-[2-(2,5-dimethylphenyl)ethyl]-5-methyl-9,16-diazatetracyclo[10.3.1.02,10.03,8]hexadeca-2(10),3(8),4,6-tetraene into its molecular formula.
user
C25H30N2
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