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": ""}
 1  a  1542989  d+mZ6 singida    T  SINGIDA RURAL  A  49 34.9902778  PAx k. kainulaine 1345 H s1I   3 Pax  dy 1999-06-09 04Â°57'25"S 034Â°59'25"E ?pn  croton polytrichus 7  croton $ v     !` Malpighiales   *xE@ polytrichus  5/@ 22200 -4.9569444  i     >Vn@L P. KUCHAR LOWER BRANCHES OF ESCARPMENT. DENSE BUSHLAND |rs   ?+  euphorbiaceae  u=_m# About 6 km on road S of Mgori Dam  4> TANZANIA
{"catalogNumber": "1542989", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Croton polytrichus", "scientificNameAuthorship": "Pax", "genus": "Croton", "subgenus": "", "specificEpithet": "polytrichus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "K. Kainulainen", "recordedBy": "P. Kuchar", "recordNumber": "22200", "verbatimEventDate": "1999-06-09", "habitat": "Lower branches of escarpment. Dense bushland", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Tanzania", "stateProvince": "Singida", "county": "Singida Rural", "municipality": "", "locality": "About 6 km on road S of Mgori Dam", "decimalLatitude": "-4.9569444", "decimalLongitude": "34.9902778", "verbatimCoordinates": "04\u00c2\u00b057'25\"S 034\u00c2\u00b059'25\"E", "minimumElevationInMeters": "1345", "maximumElevationInMeters": ""}