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": ""}
  U>g Steven R. Hill  DfW&E 1595  7  Cucurbitaceae  m=PD Microsechiu helleri helleri  k     0d Jennie V.A. Dieterle  mexico G      Q[ 1270919 Microsechium  10q      contact um herbarium =+V ~  CUCURBITALES ^y 2     *4x 1973-09-15   g7 cogn. 
{"catalogNumber": "1270919", "order": "Cucurbitales", "family": "Cucurbitaceae", "scientificName": "Microsechium helleri", "scientificNameAuthorship": "Cogn.", "genus": "Microsechium", "subgenus": "", "specificEpithet": "helleri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Jennie V.A. Dieterle", "recordedBy": "Steven R. Hill", "recordNumber": "1595", "verbatimEventDate": "1973-09-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}