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 Sy?         I LIVINGSTON soil: recently disturbed sand and gravel. associes: digitaria sanguinalis, amranthus retroflexus, malva neglecta, eragrostis cilianensis, anthemis cotula. T  simplex ZV  171731 HCe    (Torr.) Raf.  -qk  michigan u4     chenopodium $q   e 1941-08-02  _]V#, 322 -84.005246  I >l    hxR C7HENOPODIUM SIMPLEX    
{"catalogNumber": "1471731", "order": "", "family": "", "scientificName": "Chenopodium simplex", "scientificNameAuthorship": "(Torr.) Raf.", "genus": "Chenopodium", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "322", "verbatimEventDate": "1941-08-02", "habitat": "Soil: recently disturbed sand and gravel. Associes: Digitaria sanguinalis, Amranthus retroflexus, Malva neglecta, Eragrostis cilianensis, Anthemis Cotula.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.005246", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}