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": ""}
  < ECHINOCYSTIS united states EMK      mx[b 4900  cucurbitales S2T     cucurbitaceae ?;  john h. elers O*2/   Michigan H?+<     (michx.) torr. & a. gray cheboygan Au:Fp     45.646956 a#    v 1931-08-17 lobata hk=  WASTE GROUND, w*   e&Wj ECHINOCYSTIS LOBATA 
{"catalogNumber": "", "order": "Cucurbitales", "family": "Cucurbitaceae", "scientificName": "Echinocystis lobata", "scientificNameAuthorship": "(Michx.) Torr. & A. Gray", "genus": "Echinocystis", "subgenus": "", "specificEpithet": "lobata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "4900", "verbatimEventDate": "1931-08-17", "habitat": "Waste ground,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "45.646956", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}