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": ""}
  42.270872 :  pulchellus g   Asteraceae ?C, 3         = ANN ARBOR    Z+ LEWIS E. FOOTE  O|CC michx.  .& -83.726329    M Erigeron pulchellus    5-, ] 149595 United States m  [SPECIMEN IN LEWIS FOOTE HERARIUM, P. 15] pv3^~   
{"catalogNumber": "1491595", "order": "", "family": "Asteraceae", "scientificName": "Erigeron pulchellus", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "pulchellus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lewis E. Foote", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "[Specimen in Lewis Foote herbarium, p. 15]", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Ann Arbor", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}