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": ""}
     Tennessee Nb#Nr     Euphorbia +lV  Mayfield I7n>      36.425 2 bOE    if Euphorbiaceae    M.H. Mayfield KX~62    t EUPHORBIA OUACHITANA  9&C_ BLUFF OVER NORTH SIDE OF CUMBERLAND RIVER SOUTH OF HARTSVILLE AND EAST OF TN 141. -86.2355556  *(g=   
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia ouachitana", "scientificNameAuthorship": "Mayfield", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.H. Mayfield", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Tennessee", "county": "", "municipality": "", "locality": "Bluff over north side of Cumberland River south of Hartsville and east of TN 141.", "decimalLatitude": "36.425", "decimalLongitude": "-86.2355556", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}