how many days has it been since the first aminocaproic acid prescription during the current hospital encounter for patient 11826?
select 1 * ( strftime('%j',current_time) - strftime('%j',prescriptions.startdate) ) from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 11826 and admissions.dischtime is null ) and prescriptions.drug = 'aminocaproic acid' order by prescriptions.startdate asc limit 1