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": ""}
 71)Z AMBROSIA     _Jg MICHIGAN    WARREN H. WAGNER, JR. ?   pS 1957-07-20  UNITED STATES )        Dn Ambrosia psilostachya     97 sect. 16, r7w, t44n,   hu 1249730 PSIL0STACHYA  OT   Bq, ABUNDANT IN GRASESY FIELDS.  
{"catalogNumber": "1249730", "order": "", "family": "", "scientificName": "Ambrosia psilostachya", "scientificNameAuthorship": "", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "psilostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Warren H. Wagner, Jr.", "recordNumber": "", "verbatimEventDate": "1957-07-20", "habitat": "abundant in grassy fields.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Sect. 16, R7W, T44N,", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}