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 LOIS S. EHLERS   ; 2<(L (L.) Ã. LÃ¶ve   `R NEAR GOLDEN. 1453294 v#  polygonaceae L1*`k    f3u convolvulus FALLOPIA O]     )O jefferson  4h fallopia cnvolvulus   : CARYOPHYLLALES   -.?(C 672   +Hz1922-08-10   Q2F Railroad ditch bank at Bluffs  UNITED STATES W:  1676 z?     M#   colorado
{"catalogNumber": "1453294", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Fallopia convolvulus", "scientificNameAuthorship": "(L.) \u00c3\u0081. L\u00c3\u00b6ve", "genus": "Fallopia", "subgenus": "", "specificEpithet": "convolvulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lois S. Ehlers", "recordNumber": "672", "verbatimEventDate": "1922-08-10", "habitat": "Railroad ditch bank at Bluffs", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Jefferson", "municipality": "", "locality": "Near Golden.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1676", "maximumElevationInMeters": ""}