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 prop-2-enyl 2-benzylsulfanyl-7-(4-ethylphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate .
user
C25H26N4O2S
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