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": ""}
ann arbor, university of michigan, along sidewalk by front entrance to n. university bldg. -     PERILLA FRUTESCENS         9976 *~  1994-10-15 cZ   SP 1227394      < "Scarce, a few scattered plants, flowers pale pink, leaves purplish-green"  Lamiaceae 8Z0%e      DENSE PYRACANTHA SHRUBBERY ALONG WALKWAY.  >M   C1bC UNITED STATES    (l.) britton
{"catalogNumber": "1227394", "order": "", "family": "Lamiaceae", "scientificName": "Perilla frutescens", "scientificNameAuthorship": "(L.) Britton", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "9976", "verbatimEventDate": "1994-10-15", "habitat": "Dense Pyracantha shrubbery along walkway.", "occurrenceRemarks": "\"Scarce, a few scattered plants, flowers pale pink, leaves purplish-green\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Ann Arbor, University of Michigan, along sidewalk by front entrance to N. University bldg.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}