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": ""}
  +m 1303218  grantii c    TANZANIA u   `4 s$ oliv.            V( euphorbia  9uD 31.30038  w -7.62557      
{"catalogNumber": "1303218", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Oliv.", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "grantii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Tanzania", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "-7.62557", "decimalLongitude": "31.30038", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}