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": ""}
 PACHYRHIZUS EROSUS @U    dx D.H. JANZEN    1964-01-04 _8 $       !I( 18.2422       v@ soil black, with limestone outcrops, coastal plain in an rea of secondary regeneration        +K CORRAL DE PIEDRA; 5 MI E OF TEMASCAL, 10 jMI W OF VEREACRUZ BORDER 
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Pachyrhizus erosus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "D.H. Janzen", "recordNumber": "", "verbatimEventDate": "1964-01-04", "habitat": "Soil black, with limestone outcrops, coastal plain in an area of secondary regeneration", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Corral de Piedra; 5 mi E of Temascal, 10 mi W of Veracruz border", "decimalLatitude": "18.2422", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}