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": ""}
 n ca. 3.5 mi. nw of center of cheboygan.     b MICHIGAN   U, Dipsacales  n4( dipsacus  X scarce (one small clump) on grassy shoulder of highway   oV edward g. voss   CHEBOYG?AN =c   O United States   WgI DIPSACUS FULLONUM   dO l. 1248286 u    h 1958-08-19    aPk$ fullonum 
{"catalogNumber": "1248286", "order": "Dipsacales", "family": "", "scientificName": "Dipsacus fullonum", "scientificNameAuthorship": "L.", "genus": "Dipsacus", "subgenus": "", "specificEpithet": "fullonum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1958-08-19", "habitat": "scarce (one small clump) on grassy shoulder of highway", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "ca. 3.5 mi. NW of center of Cheboygan.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}