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": ""}
ROCKY BLUFFS  ObQ+   Robert Kral 2Eb  euphorbia 4 kR   ZV1, 1973-05-09  Rz 8 tennessee 49892 U@  MARION _   EUPHORBIACEAE T:  robert kral H oKB   R) MICHX.  MERCURIALINA &    K9<PS 1269905       P9u malpighiales   by tennessee hwy 108, ca 2 mi aboue whitwell >q    gmnX? United States 
{"catalogNumber": "1269905", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "mercurialina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Robert Kral", "recordedBy": "Robert Kral", "recordNumber": "49892", "verbatimEventDate": "1973-05-09", "habitat": "Rocky bluffs", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Marion", "municipality": "", "locality": "By Tennessee Hwy 108, ca 2 mi above Whitwell", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}