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": ""}
 7260   O+ T IPOMOEA CATHARTICA Flowers white LeWS  north nd of key largo A     z Ipomoea  1544986 ka   7[ZJT SOLANALES   p CONVOLVULACEAE  UNITED STATES 6      5.2L florida   vMCn Harold N. Moldenke  $ POIR. 1930-03-12 59    P/oCI Climbing over tall weeds along roadside at edge of hammock   a_r cathartica 
{"catalogNumber": "1544986", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Ipomoea cathartica", "scientificNameAuthorship": "Poir.", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "cathartica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Harold N. Moldenke", "recordNumber": "772", "verbatimEventDate": "1930-03-12", "habitat": "Climbing over tall weeds along roadside at edge of hammock", "occurrenceRemarks": "Flowers white", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "", "municipality": "", "locality": "North end of Key Largo", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}