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": ""}
 = 50    u: E. Palmer  leptochloa 5     (Sq sub5p. poales Sja%   ZR(Q[ PANICEA   e  (Steudl.) N. Snow  N|H leptoEchloa panicea subsp. brachiata    >6 CONTACT UM HERBARIUM  v 1887-09   90 POACEAE  100=0090 l   q mexico  w@) brachiata N. Snow 3yz7G   
{"catalogNumber": "1000090", "order": "Poales", "family": "Poaceae", "scientificName": "Leptochloa panicea subsp. brachiata", "scientificNameAuthorship": "(Steudl.) N. Snow", "genus": "Leptochloa", "subgenus": "", "specificEpithet": "panicea", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "brachiata", "identifiedBy": "N. Snow", "recordedBy": "E. Palmer", "recordNumber": "50", "verbatimEventDate": "1887-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}