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": ""}
      MAZAHUA; ISTHMUS OF TEHUANTEPEC; 20 KM N OF UMION HIDALGO, ON ROUTE 185  e      kN d. francoeur  Xn cyperus tenerrimus  Ud5 cyperaceae    LIEBM. r     ` G.C. Tucker  16.6102 vPth   m(j -94.9522     Cyperus  F(m  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Cyperus tenerrimus", "scientificNameAuthorship": "Liebm.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "G.C. Tucker", "recordedBy": "D. Francoeur", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Mazahua; Isthmus of Tehuantepec; 20 km N of Union Hidalgo, on route 185", "decimalLatitude": "16.6102", "decimalLongitude": "-94.9522", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}