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": ""}
L. ~M K+   !xU oliver a. farwell    C= Asteraceae  VS erigeron United States u    Tj wayne  F9-  7928 e rigeron philadelphics =d7  42.070876 2   6 [ -83.246596  P,l  1253726   Rockwood GU[a  1927-06-08 t.$   j asterales   philadelphicus z    MICHIGAN  f   
{"catalogNumber": "1253726", "order": "Asterales", "family": "Asteraceae", "scientificName": "Erigeron philadelphicus", "scientificNameAuthorship": "L.", "genus": "Erigeron", "subgenus": "", "specificEpithet": "philadelphicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Oliver A. Farwell", "recordNumber": "7928", "verbatimEventDate": "1927-06-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Wayne", "municipality": "", "locality": "Rockwood", "decimalLatitude": "42.070876", "decimalLongitude": "-83.246596", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}