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": ""}
    .` 6600 HIGH ON DRY, HIGH GRADENT SANDY SLOPE, LARGE OPEN PAJTCHES OF OPEN SAND.  ELEV. 780' ASSOCIATES: SASSAFRAS, HOUSTONIA CANADENSIS, ANEMONE, COMANDRA, ACHILLEA, FRAGARIA. ez          1200813 1cS            5 (L.) L.  ^7@Mk timothy l. walters  sH  alyssum 
{"catalogNumber": "1200813", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(L.) L.", "genus": "Alyssum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Timothy L. Walters", "recordNumber": "6600", "verbatimEventDate": "", "habitat": "High on dry, high gradient sandy slope, large open patches of open sand. Elev. 780' Associates: Sassafras, Houstonia canadensis, Anemone, Comandra, Achillea, Fragaria.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}