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": ""}
  B VERY STEEP SLOPE; COMMON ON ROTTEN LOGS       1966-07-25  g!m5   portland (         z+C piperales    ;NUkP 3263    t6A 1232860   $a jus below summit of silver hill, approaching from w or wsw Kunth  A5z  
{"catalogNumber": "1232860", "order": "Piperales", "family": "", "scientificName": "", "scientificNameAuthorship": "Kunth", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "3263", "verbatimEventDate": "1966-07-25", "habitat": "very steep slope; common on rotten logs", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Portland", "county": "", "municipality": "", "locality": "just below summit of Silver Hill, approaching from W or WSW", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}