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": ""}
    c6 r 1124589  POACEAE /vg         Hgb  6217   MEXICO 7ak   N%; u MUHLENBERGIA    CONTACT UM HERBARIUM  w. (kunth) hitchc.  Z j. a. machuca nuã±ez  rf muhlenbergia macroura  MACROURA ;Ly       [M poales  5R 1988-12-01
{"catalogNumber": "1124589", "order": "Poales", "family": "Poaceae", "scientificName": "Muhlenbergia macroura", "scientificNameAuthorship": "(Kunth) Hitchc.", "genus": "Muhlenbergia", "subgenus": "", "specificEpithet": "macroura", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. A. Machuca Nu\u00c3\u00b1ez", "recordNumber": "6217", "verbatimEventDate": "1988-12-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}