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": ""}
   Michigan L +A      z ASCLEPIAS 44.36408 Z!1        1957-07-18 &_Fc-    4657 K?|-v    R# apocynaceae l.   8  at e. end of laird lake, ca. 6 mi. nne of nester. ?  Edward G. Voss ^CEn    . A common, thicket -83.90615 ~w   
{"catalogNumber": "", "order": "", "family": "Apocynaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Asclepias", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "4657", "verbatimEventDate": "1957-07-18", "habitat": "common, thicket", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "at E. end of Laird Lake, ca. 6 mi. NNE of Nester.", "decimalLatitude": "44.36408", "decimalLongitude": "-83.90615", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}