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": ""}
  1482421 +&0 Q      x?]^ PROSTRATE ANNUAL HERB, ROOTING AT NODES, COMMON.     OHIOJnB      euphorbia  No   5J>1 Malpighiales     = ^v- united states 867 ]  JIdX% gravel soil and open ground.   
{"catalogNumber": "1482421", "order": "Malpighiales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Euphorbia", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "867", "verbatimEventDate": "", "habitat": "Gravel soil and open ground.", "occurrenceRemarks": "Prostrate annual herb, rooting at nodes, common.", "associatedTaxa": "", "country": "United States", "stateProvince": "Ohio", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}