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": ""}
   walter n. koelz f        <K STERCULIA 1936-02-04 4x;K    8178 vh    1507066 38  no data x    .! india  NO DATA PROVIDED ON LABEL OF CATALOG NO: 1507066 ;eSk   B malvaceae   @z0y sterculia   MALVeALES ,1k 
{"catalogNumber": "1507066", "order": "Malvales", "family": "Malvaceae", "scientificName": "Sterculia", "scientificNameAuthorship": "", "genus": "Sterculia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "8178", "verbatimEventDate": "1936-02-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "no data", "county": "", "municipality": "", "locality": "no data provided on label of catalog no: 1507066", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}