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": ""}
  ON NEARLY BARE LIMESTONE SAND. !3M   / mexico  `j oaxaca   1431676 3:q4    M%7 gary j. pierce    4.5 mi. S of Hu ajuapan de Leon. L     v  Lag.       bouteloua 6i=T    LB!j POACEAE 
{"catalogNumber": "1431676", "order": "", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "Lag.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Gary J. Pierce", "recordNumber": "", "verbatimEventDate": "", "habitat": "On nearly bare limestone sand.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "Oaxaca", "county": "", "municipality": "", "locality": "4.5 mi. S of Huajuapan de Leon.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}