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": ""}
1972-07-14 71<M  michigan 9   >y camp estre   Lepidium mkz    13911 #Flu    5d=u 45.192515     occasional. y(!T7    Q- 1462966   c (L.) W. T. AIT0N         4j.j Lepidium campestre  O# Brassicaceae
{"catalogNumber": "1462966", "order": "", "family": "Brassicaceae", "scientificName": "Lepidium campestre", "scientificNameAuthorship": "(L.) W. T. Aiton", "genus": "Lepidium", "subgenus": "", "specificEpithet": "campestre", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "13911", "verbatimEventDate": "1972-07-14", "habitat": "", "occurrenceRemarks": "Occasional.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.192515", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}