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": ""}
 1515 lp         `92r panicum arizonicum    i+ Contact UM Herbarium  &O LeRoy H. Harvey   ]rJ 1939-08-16   6 )< poales  Zlg   mexico   Panicum N Aj!   XD]4 arizonicum  Fkv3 Poaceae  Scribn. & Merr. o    1125938 72W 
{"catalogNumber": "1125938", "order": "Poales", "family": "Poaceae", "scientificName": "Panicum arizonicum", "scientificNameAuthorship": "Scribn. & Merr.", "genus": "Panicum", "subgenus": "", "specificEpithet": "arizonicum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "LeRoy H. Harvey", "recordNumber": "1515", "verbatimEventDate": "1939-08-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}