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": ""}
1931-05-01 $EX       POALES  L  polk dhTc.    1430452 p&sV       united states af    5055 T   9bCf DICHANTHELIUM PORTORICENSE  Near Auburndale, vicinity of Winter Haven Y  +l    Gk portorice nse Dichanthelium `e [%  POACEAE ,@, 
{"catalogNumber": "1430452", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium portoricense", "scientificNameAuthorship": "", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "portoricense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5055", "verbatimEventDate": "1931-05-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Polk", "municipality": "", "locality": "Near Auburndale, vicinity of Winter Haven", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}