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": ""}
  Ih YUEN LONG    1972-10-28 C      tough, cespitose grass by the ro4d-side; forming small colony, hard to pull out; inflores. with stiff awns; common vM  cenchrus Zh            FJVU 748  j hong kong Mai Po, Un Long  o3   G v   new teKrritories   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "748", "verbatimEventDate": "1972-10-28", "habitat": "tough, cespitose grass by the road-side; forming small colony, hard to pull out; inflores. with stiff awns; common", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Hong Kong", "stateProvince": "New Territories", "county": "Yuen Long", "municipality": "", "locality": "Mai Po, Un Long", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}