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": ""}
 k4V aleutians west   F  INFESTED BY A NEMATODE      $9#j- AGROSTIS EXARATA Shemya Island J[8   agrostis r   trin. p?=!   ,x 1403335  1949-08-27 o   t POACEAE  3poales W    QHH 2815  UNTED STATES -   louish. jordal <6   exarata 5 TX   <Y5  alaska
{"catalogNumber": "1403335", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis exarata", "scientificNameAuthorship": "Trin.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "exarata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis H. Jordal", "recordNumber": "2815", "verbatimEventDate": "1949-08-27", "habitat": "", "occurrenceRemarks": "Infested by a nematode", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Aleutians West", "municipality": "", "locality": "Shemya Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}