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": ""}
  Heteropogon contortus U~     (L.) BEAUV. EX ROEMER & J.A. SCHULTES (n@4G        HONG KONG L   contortus       Sha Tin xBK   R POACEAE at the top of a seaward sloope _  JOSEPH P.W. WOO t      heteropogom  c,-n 
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Heteropogon contortus", "scientificNameAuthorship": "(L.) Beauv. ex Roemer & J.A. Schultes", "genus": "Heteropogon", "subgenus": "", "specificEpithet": "contortus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Joseph P.W. Woo", "recordNumber": "", "verbatimEventDate": "", "habitat": "at the top of a seaward slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Hong Kong", "stateProvince": "", "county": "Sha Tin", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}