start: 0
duration: 1
steps: 10
variables: S1, sub1__S1, sub2__S1, sub2__sub1__S1, sub3__S1, sub3__sub1__S1, sub3__sub2__S1, sub3__sub2__sub1__S1
absolute: 0.0001
relative: 0.0001
amount: 
concentration: S1, sub1__S1, sub2__S1, sub2__sub1__S1, sub3__S1, sub3__sub1__S1, sub3__sub2__S1, sub3__sub2__sub1__S1
