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 (7S)-7-[4-[(3,4-dichlorophenyl)methoxy]-3-ethoxyphenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide .
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C28H25Cl2N5O3
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