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": ""}
 > 1657 1968-06-22 <    V)*  Dichanthelium subsp. A@     WC abandoned field at jct. of sc 70 and sc 332 on sc 332  south carolina a   l,x POACEAE  m Orangeburg Poales iGu,:    ^l5 abandoned ;field S.W. LEONARD & A.E. RADFORD l`Sle     oligosanthes |]5S  1430021 rl< F  oligosanthes q [   ]W dichanthelium oligosanthes subsp. oligosanthes  robert f.c. naczi #N  UNITED STATES :/l-) 
{"catalogNumber": "1430021", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium oligosanthes subsp. oligosanthes", "scientificNameAuthorship": "", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "oligosanthes", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "oligosanthes", "identifiedBy": "Robert F.C. Naczi", "recordedBy": "S.W. Leonard & A.E. Radford", "recordNumber": "1657", "verbatimEventDate": "1968-06-22", "habitat": "abandoned field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "Orangeburg", "municipality": "", "locality": "abandoned field at jct. of SC 70 and SC 332 on SC 332", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}