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": ""}
large tree along old fencerow. cmW  ehrh. w     enawee  4nu  prunus serotina `)!$   United States p   z robert w. smith   41.839175 A1v1:      *B v SEROTINA rosales %  rosaceae #X?7[   W. OF S. END OF MCPHAIL DR., MADISON TWP.  ?zk  -84.012557 prIKp  MICHIGAN Y?   S+@m prunus 1988-05-20 nxq-  1468425 ,  
{"catalogNumber": "1468425", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus serotina", "scientificNameAuthorship": "Ehrh.", "genus": "Prunus", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1988-05-20", "habitat": "Large tree along old fencerow.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "W. of S. end of McPhail Dr., Madison Twp.", "decimalLatitude": "41.839175", "decimalLongitude": "-84.012557", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}