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": ""}
 Ah To <f.JH     Ischaemum O  1285   +e  1712128 M[Z   l.  0yV     * V+ 1917-09-07   sG at the edge of rice ^field      aristatum   2 guangzhou   Guangdong g@O$M    v Ischaemum aristatum   
{"catalogNumber": "1712128", "order": "", "family": "", "scientificName": "Ischaemum aristatum", "scientificNameAuthorship": "L.", "genus": "Ischaemum", "subgenus": "", "specificEpithet": "aristatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ah To", "recordNumber": "1285", "verbatimEventDate": "1917-09-07", "habitat": "at the edge of rice field", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Guangdong", "county": "Guangzhou", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}