Remind Derek to take his medication at 9 AM and 5 PM every Thursday for the next three weeks.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED Derek ] to [SL:TODO take his medication ] [SL:RECURRING_DATE_TIME [IN:GET_RECURRING_DATE_TIME [SL:DATE_TIME at 9 AM ] and [SL:DATE_TIME 5 PM ] [SL:FREQUENCY every Thursday ] [SL:DATE_TIME for the next three weeks ] ] ] . ]