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": ""}
Near Welcome s&   6y charles  Poales V       o)aJ 749 Dichanthelium sphaerocarpon *Rx&E   aFi emery c. leonard, ellsworth p. killip    S@ Maryland Poaceae x%     JljxS 1921-07-04   EV^$ united states 1430910 :(DD    W (ELLIOTT) GOULD Dichanthelium    sphaerocarpon 0   
{"catalogNumber": "1430910", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium sphaerocarpon", "scientificNameAuthorship": "(Elliott) Gould", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "sphaerocarpon", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emery C. Leonard, Ellsworth P. Killip", "recordNumber": "749", "verbatimEventDate": "1921-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Charles", "municipality": "", "locality": "Near Welcome", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}