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 (3,3-difluoroazetidin-1-yl)-[(5S)-5-(2-fluorophenyl)-6,7-dihydro-5H-pyrrolo[1,2-b][1,2,4]triazol-2-yl]methanone .
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C15H13F3N4O
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