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": ""}
    4-V 15837      <3 Malpighiales       f Croton roxanae       LOS CEDROS; 13 MI N OF SANTIAGO, RÃ­O CIHUATLÃ¡N x    fQ Steep heavily wooded mois ravines in gorge, abundant.   Rn CROTON   IB~r& 1957-07-27 
{"catalogNumber": "", "order": "Malpighiales", "family": "", "scientificName": "Croton roxanae", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15837", "verbatimEventDate": "1957-07-27", "habitat": "Steep heavily wooded mois ravines in gorge, abundant.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Los Cedros; 13 mi N of Santiago, r\u00c3\u00ado Cihuatl\u00c3\u00a1n", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}