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": ""}
 iAC9 crataegus       MARGARETTA Is+t     ROSALES &.   R,Q( ASHE  SECOND GROWTH OF TREES AND SHRUBS BEHIND AND ALONG FENCELINE OF ROAD. v    [ 7 km S of Homer on route 99 then 1.5 km E on dirt roa    Michigan `d w  united states $7!    GpH&> CRATAEGUS MARGARETTA   vYFd 1984-09-08 
{"catalogNumber": "", "order": "Rosales", "family": "", "scientificName": "Crataegus margaretta", "scientificNameAuthorship": "Ashe", "genus": "Crataegus", "subgenus": "", "specificEpithet": "margaretta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1984-09-08", "habitat": "second growth of trees and shrubs behind and along fenceline of road.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "7 km S of Homer on route 99 then 1.5 km E on dirt road", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}