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": ""}
 z OLEACEAE    ^o TH 607  =d;I 41.86524 -84.53251 MT   ps LAMIALES     sS "Small tree about 7 m tall."   Marshall  J?   X( NIGRA  j-m Hillsdale      hG, UNITED STATES   Dk OCCASIONAL IN SMALL THICKET IN MEADOW, NEAR CREEK.   blb 1988-06-05  peter w. fritsch $[  
{"catalogNumber": "", "order": "Lamiales", "family": "Oleaceae", "scientificName": "", "scientificNameAuthorship": "Marshall", "genus": "", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Peter W. Fritsch", "recordNumber": "607", "verbatimEventDate": "1988-06-05", "habitat": "Occasional in small thicket in meadow, near creek.", "occurrenceRemarks": "\"Small tree about 7 m tall.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Hillsdale", "municipality": "", "locality": "", "decimalLatitude": "41.86524", "decimalLongitude": "-84.53251", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}