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": ""}
     215-07-31 +c   BENJAMIN W. VAN EE, PAUL E. BERRY & HANTA R4ZAFINDRAIBE P|0     2136 ?S   Tr>$ CROTON            *`D,B ANOSY   `E+Y madagascar  U tree to 5 m; fruits present.
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Croton", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Benjamin W. van Ee, Paul E. Berry & Hanta Razafindraibe", "recordNumber": "2136", "verbatimEventDate": "2015-07-31", "habitat": "", "occurrenceRemarks": "Tree to 5 m; fruits present.", "associatedTaxa": "", "country": "Madagascar", "stateProvince": "", "county": "Anosy", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}