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": ""}
  M  1973-12-21        , boutelou4 Mexico cC/ln      t Dry fields,frequent froming clonal patches.  7[ 96       = poaceae LAG. -a    - A -94.9987      Kq5& 1118987 
{"catalogNumber": "1118987", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Lag.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "96", "verbatimEventDate": "1973-12-21", "habitat": "Dry fields, frequent froming clonal patches.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-94.9987", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}