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": ""}
  1512929 h G   Fallopia scandens Qnv   # SCANDENS   0<`n  1920-08-29   POLYGONACEAE _   Olier A. Farwell F!bc     W_Est united state 5671 8(:7    j l; WAYNE 42.3414  &+BR  caryophyllales i2l  Fallopia #USQ        -C (L.) HOLUB dBetroit. : 
{"catalogNumber": "1512929", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Fallopia scandens", "scientificNameAuthorship": "(L.) Holub", "genus": "Fallopia", "subgenus": "", "specificEpithet": "scandens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "5671", "verbatimEventDate": "1920-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Wayne", "municipality": "", "locality": "Detroit.", "decimalLatitude": "42.3414", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}