what is the name of the drug that patient 27599 was prescribed for in the same hospital encounter after having been diagnosed since 178 months ago with dis phosphorus metabol?
select t2.drug from ( select admissions.subject_id, diagnoses_icd.charttime, admissions.hadm_id from diagnoses_icd join admissions on diagnoses_icd.hadm_id = admissions.hadm_id where admissions.subject_id = 27599 and diagnoses_icd.icd9_code = ( select d_icd_diagnoses.icd9_code from d_icd_diagnoses where d_icd_diagnoses.short_title = 'dis phosphorus metabol' ) and datetime(diagnoses_icd.charttime) >= datetime(current_time,'-178 month') ) as t1 join ( select admissions.subject_id, prescriptions.drug, prescriptions.startdate, admissions.hadm_id from prescriptions join admissions on prescriptions.hadm_id = admissions.hadm_id where admissions.subject_id = 27599 and datetime(prescriptions.startdate) >= datetime(current_time,'-178 month') ) as t2 on t1.subject_id = t2.subject_id where t1.charttime < t2.startdate and t1.hadm_id = t2.hadm_id