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": ""}
  ,oSR R. E. FR.   xP  1510484 MAGNOLIALES ;z0   g! /  san martin    < %  MARISCAL CACERES   4739 w#:Q?   j  Oxandra   z p.j.m. maas, l.w. chatron        Oxandra polyantha A   r Peru   *7N# POLYANTHA annonaceae +syT~  
{"catalogNumber": "1510484", "order": "Magnoliales", "family": "Annonaceae", "scientificName": "Oxandra polyantha", "scientificNameAuthorship": "R. E. Fr.", "genus": "Oxandra", "subgenus": "", "specificEpithet": "polyantha", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P.J.M. Maas, L.W. Chatron", "recordedBy": "", "recordNumber": "4739", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Peru", "stateProvince": "San Martin", "county": "Mariscal Caceres", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}