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": ""}
  r1U MEXICO    2~|5 1959-12-07   QP 1543  DIOSCOREA SUBTOMENTOSA u   2w0s subtomentosa  I1J Mexico LA UNIDAD HUITZIZILAPAN; NAUCALPAN; 6 KM AL W DE SAN FRANCISCO CHIMALPA, PUERTO EL GUlARDA ^   5dx@mV -99.3973    LLOJr DIOSCOREA  1S59 MIRANDA & MATUDA   % lerma   > 1001587   z)y e Bosque de pinos, oyamel y encinos DIOSCOREALES RU  dioscoreaceae nZ9ay   rogers mcvaugh & walter n. koelz H  19.4263 =(0 
{"catalogNumber": "1001587", "order": "Dioscoreales", "family": "Dioscoreaceae", "scientificName": "Dioscorea subtomentosa", "scientificNameAuthorship": "Miranda & Matuda", "genus": "Dioscorea", "subgenus": "", "specificEpithet": "subtomentosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rogers McVaugh & Walter N. Koelz", "recordNumber": "1543", "verbatimEventDate": "1959-12-07", "habitat": "Bosque de pinos, oyamel y encinos", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Mexico", "county": "Lerma", "municipality": "", "locality": "La Unidad Huitzizilapan; Naucalpan; 6 km al W de San Francisco Chimalpa, Puerto el Guarda", "decimalLatitude": "19.4263", "decimalLongitude": "-99.3973", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}