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": ""}
   ? y?- Sporobolus     POACEAE 3    ;c Michigan    SUERIOR TP., BETWEEN NN ARBOR AND YPSIILANTI.    WASHTENAW fg j   SPOROBOLUS OMPOSITUS 76?*   QQ (POIR.) MERR.  t@ occasional in ballast along railroad,      `E  1981-09-18   
{"catalogNumber": "", "order": "", "family": "Poaceae", "scientificName": "Sporobolus compositus", "scientificNameAuthorship": "(Poir.) Merr.", "genus": "Sporobolus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1981-09-18", "habitat": "occasional in ballast along railroad,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Superior Tp., between Ann Arbor and Ypsiilanti.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}