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": ""}
    Z  1931-07-07 1248551  s    f WL euphorbiaceae  nQ%KF L. EUPHORBIA HETEROPHYLLA       pJ MAK H. MAYFIELD   J Vacant lot   _| heterophylla  $ R.M. HARPER   J UNITED STATES  LU5 florida    Shows its normal size at this season S.N. OXc   MALPIGHIA1ES  $dN    K>:. EUPHORBIA leon ~   g>o at monroe and virginia streets, tallahassee
{"catalogNumber": "1248551", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Euphorbia heterophylla", "scientificNameAuthorship": "L.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "heterophylla", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Mark H. Mayfield", "recordedBy": "R.M. Harper", "recordNumber": "s.n.", "verbatimEventDate": "1931-07-07", "habitat": "Vacant lot", "occurrenceRemarks": "Shows its normal size at this season", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Leon", "municipality": "", "locality": "At Monroe and Virginia Streets, Tallahassee", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}