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": ""}
CRATAEGUS u+YV   hMa# 1465889   mollis k    _Y( 1945-09-10      Clayton W. Bazuin UE<Su   M]  / VAR.       Sw If KENT   CRATAEGUS MOLLIS VAR. SERA  y.    sera :j  
{"catalogNumber": "1465889", "order": "", "family": "", "scientificName": "Crataegus mollis var. sera", "scientificNameAuthorship": "", "genus": "Crataegus", "subgenus": "", "specificEpithet": "mollis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "sera", "identifiedBy": "", "recordedBy": "Clayton W. Bazuin", "recordNumber": "", "verbatimEventDate": "1945-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Kent", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}