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": ""}
 shrub 2 mB tall, calyx green; fruit bud green E            toamasina ub[    *BuS? Croton nitidulus 1664795     K EUPHORBIACEAE maroantsetra q    K  o madagascar  a -15.28333       S $J P. BERRY
{"catalogNumber": "1664795", "order": "", "family": "Euphorbiaceae", "scientificName": "Croton nitidulus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "P. Berry", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Shrub 2 m tall, calyx green; fruit buds green", "associatedTaxa": "", "country": "Madagascar", "stateProvince": "Toamasina", "county": "Maroantsetra", "municipality": "", "locality": "", "decimalLatitude": "-15.28333", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}