Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
 759 lxb   dUkg Megathyrsus  ,!^K yuen long   (JACQ.) B.K.SIMON & S.W.L.JACOBS Q$ n   Joseph P. W. Woo, T. K. Woo N %   gras, 1.5 m. tall7, common by the roadside +; ,I   Poaceae 9?       IV Mai Po    hong kong  )stg NEW TERRITORIE   B  1972-10-28   -iI MAXIMUS  Sy poales 1708315 k kDq  MEGATHYRSUS MAXIMUS vaOZx 
{"catalogNumber": "1708315", "order": "Poales", "family": "Poaceae", "scientificName": "Megathyrsus maximus", "scientificNameAuthorship": "(Jacq.) B.K.Simon & S.W.L.Jacobs", "genus": "Megathyrsus", "subgenus": "", "specificEpithet": "maximus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joseph P. W. Woo, T. K. Woo", "recordNumber": "759", "verbatimEventDate": "1972-10-28", "habitat": "grass, 1.5 m. tall, common by the roadside", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Hong Kong", "stateProvince": "New Territories", "county": "Yuen Long", "municipality": "", "locality": "Mai Po", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}