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": ""}
    UNITED STATES gNF  -82.44219 |)wV     convolvulaceae M  7650 n!-3  ST. CLAIR 7u+@    Convolvulus arvensis 9*5t  Solanales  BEx   &bV  michigan 1892-06-29 j k     SG near Port Huron,   convolvulus F    Q:u L.  arvensis a 
{"catalogNumber": "", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Convolvulus arvensis", "scientificNameAuthorship": "L.", "genus": "Convolvulus", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7650", "verbatimEventDate": "1892-06-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "St. Clair", "municipality": "", "locality": "near Port Huron,", "decimalLatitude": "", "decimalLongitude": "-82.44219", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}