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": ""}
 7 L. Amaranthaceae *_1d   DAL[LAS WT  Amaranthus  SK4)   Y AMARANTHUS RETROFLEXUS  M.A. Hymes $ ,    o~d texas  1926 y; *       7?w United States     _Y Caryophyllales  %T8J8 s.n.   RETROFLEXUS :4 a  1207753 KXg    
{"catalogNumber": "1207753", "order": "Caryophyllales", "family": "Amaranthaceae", "scientificName": "Amaranthus retroflexus", "scientificNameAuthorship": "L.", "genus": "Amaranthus", "subgenus": "", "specificEpithet": "retroflexus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.A. Hymes", "recordNumber": "s.n.", "verbatimEventDate": "1926", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Dallas", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}