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": ""}
 7P united states      3 HOUSTONIA michigan q+   ?Z|q gentianales livingston  a<    ], houstonia longifolia francis c. evans 2kQM     I(/SY 19x51-06-06   Abandoned upland field, dominated by Poa and Aristida. Soil: Fox sandy loam. OD,`    RUBIACEAE c     Edwin S. George Reserve =h  Gaertn. ,   Ve -84.002007 
{"catalogNumber": "", "order": "Gentianales", "family": "Rubiaceae", "scientificName": "Houstonia longifolia", "scientificNameAuthorship": "Gaertn.", "genus": "Houstonia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Francis C. Evans", "recordNumber": "", "verbatimEventDate": "1951-06-06", "habitat": "Abandoned upland field, dominated by Poa and Aristida. Soil: Fox sandy loam.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Edwin S. George Reserve", "decimalLatitude": "", "decimalLongitude": "-84.002007", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}