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": ""}
   k qr EUPHORBIA virginius h. chase (!h   >!y no data  euphorbia heterophylla @M        IhS heterophylla    v -98.94069  X-,( l. 1939-07-19 N p.   MEXICO [ $fo   VA, SAN LUIS POTOSI    NIf EUPHORBIACEAE  6 e 7497   ~tw  VALLEY OF RIO TAMPAON; EL PUJAL  
{"catalogNumber": "", "order": "", "family": "Euphorbiaceae", "scientificName": "Euphorbia heterophylla", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Virginius H. Chase", "recordNumber": "7497", "verbatimEventDate": "1939-07-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Mexico", "stateProvince": "San Luis Potosi", "county": "no data", "municipality": "", "locality": "Valley of Rio Tampaon; El Pujal", "decimalLatitude": "", "decimalLongitude": "-98.94069", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}