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README.md

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 # COMO: Closed-Loop Optical Molecule Recognition
 
-[Online Demo](https://huggingface.co/spaces/lyuzhuoqi/COMO) \($\cdot$\) [GitHub](https://github.com/netknowledge/COMO) \($\cdot$\) [PyPI](https://pypi.org/project/como-ocsr/)
+[Online Demo](https://huggingface.co/spaces/lyuzhuoqi/COMO) \(\cdot\) [GitHub](https://github.com/netknowledge/COMO) \(\cdot\) [PyPI](https://pypi.org/project/como-ocsr/)
 
 COMO (Closed-loop Optical Molecule recOgnition) is a deep learning framework for
 Optical Chemical Structure Recognition (OCSR). It recognizes chemical structure