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": ""}
 asterales xh?   L. Y   HELIANTHUS TUBEROSUS x>7A  john h. ehlers s   r,l tuberosus washtenaw !  Helian7hus Uls7^    z+aW 1254273    united states V)   K *~ 7144    AWIXA ROADCITY OF ANN ARBOR.    VACANT LT, k     #jk MICHIGAN    ZjPK ASTERACEAE
{"catalogNumber": "1254273", "order": "Asterales", "family": "Asteraceae", "scientificName": "Helianthus tuberosus", "scientificNameAuthorship": "L.", "genus": "Helianthus", "subgenus": "", "specificEpithet": "tuberosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "7144", "verbatimEventDate": "", "habitat": "Vacant lot,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Awixa Road City of Ann Arbor.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}