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  ______    _____              __   __    _____   
 /_   _//  |  ___||   ____     \ \\/ //  |__  //  
   | ||    | ||__    |    \\    \ ` //     / //   
  _| ||    | ||__    | [] ||     | ||     / //__  
 /__//     |_____||  |  __//     |_||    /_____|| 
 `--`      `-----`   |_|`-`      `-`'    `-----`  
                     `-`

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Text this: Online handwriting recognition for chemical expressions