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": ""}
   MEGALANTHUS V*)iU    tG CYPERACEAE    BSZ%= CYPERUS      z= CYPERUS MEGALANTHUS  Guateala >2mo:     (k??k.) g.c.tucker sZ z%  julian a. steyermark zra   Poales B xS    xE CONTACT UM HERBARIUM  1942-04-30 4gw9C 
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus megalanthus", "scientificNameAuthorship": "(K??k.) G.C.Tucker", "genus": "Cyperus", "subgenus": "", "specificEpithet": "megalanthus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Julian A. Steyermark", "recordNumber": "", "verbatimEventDate": "1942-04-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Guatemala", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}