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": ""}
 0 Megathyrsus FLORIDA NE    3K megathyrsus maximus intr Nh    e F poaceae f.l. scribner 8-]     #H t 1417009 1730 @F@     MAXIMUS   */c     UNITED STATES E   j+! (Jacq.) B.K.Simon & S.W.L.Jacobs  2  POALES   |T Contact UM Herbarium     
{"catalogNumber": "1417009", "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": "F.L. Scribner", "recordNumber": "1730", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Intr", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}