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": ""}
1971-10-29 @6m   ywt CUCURBTA    sZ/i CUCURBITALES  NAYARIT jK    Ng6 U K. Koch    ke%,, Cucurbitaceae   R. Lira <      gG contact um herbarium  1270109 -zKm    ?agG| jennie v.a. dieterle    h^0 3970  9O ARGYROSPERMA 
{"catalogNumber": "1270109", "order": "Cucurbitales", "family": "Cucurbitaceae", "scientificName": "", "scientificNameAuthorship": "K. Koch", "genus": "Cucurbita", "subgenus": "", "specificEpithet": "argyrosperma", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Lira", "recordedBy": "Jennie V.A. Dieterle", "recordNumber": "3970", "verbatimEventDate": "1971-10-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Nayarit", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}