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": ""}
 n5  cheboygan  Em l. PORTULACA t_   portulacaceae r !   field by neplson's greenhouse, cheboygan. X y]e     united states 9     X Michigan   $ oleracea   iKL ,u 1477484    K PORTULACA OLERACEA Edward G. Voss >    GvT  [umbs sheetadds: "ca. â¼ mi. se of state street bridge."] 1953-08-05 =|h5A     
{"catalogNumber": "1477484", "order": "", "family": "Portulacaceae", "scientificName": "Portulaca oleracea", "scientificNameAuthorship": "L.", "genus": "Portulaca", "subgenus": "", "specificEpithet": "oleracea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1953-08-05", "habitat": "", "occurrenceRemarks": "[UMBS sheet adds: \"ca. \u00c2\u00bc mi. SE of State Street bridge.\"]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Field by Nelson's Greenhouse, Cheboygan.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}