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  PYRUS COMMUNIS  S robert w. smith  Mf_ United States LENAWE >U  41.90503 4db  1494 :  1986-04-29 tA   ? paul m. catling pyrus [ d      /l$T& -84.01216 rosales TqT|  ROSACEAE e6)T    communis Lr    ]*_) SOUTH SIDEOF SIENA HEIGHT RD., WEST OF HOWELL HWY., ADRIAN.  wh l. IN ROADSIDE FENCEROW. XLZ        E@jA michigan 
{"catalogNumber": "", "order": "Rosales", "family": "Rosaceae", "scientificName": "Pyrus communis", "scientificNameAuthorship": "L.", "genus": "Pyrus", "subgenus": "", "specificEpithet": "communis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Paul M. Catling", "recordedBy": "Robert W. Smith", "recordNumber": "1494", "verbatimEventDate": "1986-04-29", "habitat": "In roadside fencerow.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "South side of Siena Height Rd., west of Howell Hwy., Adrian.", "decimalLatitude": "41.90503", "decimalLongitude": "-84.01216", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}