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": ""}
  rX03U Dioscoreales  L 18.0834  kIBp  DIOSCOREA PO LYGONOIDES     HwV Mexico  dve u 1944-12-09     ~7; polygonoides  Lmx oaxaca   Nb[XM 1145788   5 HUMB. & BONPL. EX WILLD.   x~j!X DIOSCOREACEAE  3848 9~]  san juan bautista tuxtepec; ne of^ chiltepec, cerro de palacios, tuxtepec e&    -96.122 f  San Juan Bavtista Tuxtepec Ry   U km DIOSCOREA 
{"catalogNumber": "1145788", "order": "Dioscoreales", "family": "Dioscoreaceae", "scientificName": "Dioscorea polygonoides", "scientificNameAuthorship": "Humb. & Bonpl. ex Willd.", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "polygonoides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3848", "verbatimEventDate": "1944-12-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "San Juan Bautista Tuxtepec", "municipality": "", "locality": "San Juan Bautista Tuxtepec; NE of Chiltepec, Cerro de Palacios, Tuxtepec", "decimalLatitude": "18.0834", "decimalLongitude": "-96.122", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}