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": ""}
  v var.  l. gomzã¡lez quintero B<   poaceae Z 4*G   2 r.b. shaw  bHY mexico  ]V6 guerrero POALES e0>O        1767    0k$ nelsonii    kw!6 1964-10-04 Cacahuamilpa; cerca de las Grutas de Cacahuamilpa; alrededores de la salida del rÃ­o ChontalcoatlÃ¡n v  ERIOCHLOA NELSOII VAR. NELSONII w b    R- -99.4.996 1121879 7cX   nelsonii p$X=  18.6783 E7rmFO  
{"catalogNumber": "1121879", "order": "Poales", "family": "Poaceae", "scientificName": "Eriochloa nelsonii var. nelsonii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "nelsonii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "nelsonii", "identifiedBy": "R.B. Shaw", "recordedBy": "L. Gonz\u00c3\u00a1lez Quintero", "recordNumber": "1767", "verbatimEventDate": "1964-10-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Guerrero", "county": "", "municipality": "", "locality": "Cacahuamilpa; cerca de las Grutas de Cacahuamilpa; alrededores de la salida del r\u00c3\u00ado Chontalcoatl\u00c3\u00a1n", "decimalLatitude": "18.6783", "decimalLongitude": "-99.4996", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}