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": ""}
   y:$-n -86.1877l4 739 z    E sativa    f % muskegon    1346824 G .iR    *w MICHIGAN   psX1p 43.33076  Q- Qc MEDICAGO  1950u-07 g  eric a bourdo, jr. zyhg   Ik[ UNITED STATES  |kl1 FABALES Sec. 23, Dalton Twp. m  L. h2j`AV    ,mD= medicago sativka 
{"catalogNumber": "1346824", "order": "Fabales", "family": "", "scientificName": "Medicago sativa", "scientificNameAuthorship": "L.", "genus": "Medicago", "subgenus": "", "specificEpithet": "sativa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eric A. Bourdo, Jr.", "recordNumber": "739", "verbatimEventDate": "1950-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "Sec. 23, Dalton Twp.", "decimalLatitude": "43.33076", "decimalLongitude": "-86.18774", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}