new index	atom name	original index
1	C	9
2	C	10
3	C	4
4	C	6
5	C	8
6	C	11
7	C	7
8	C	3
9	C	1
10	C	2
11	N	12
12	N	5
13	H	19
14	H	20
15	H	13
16	H	15
17	H	17
18	H	18
19	H	21
20	H	22
21	H	16
22	H	23
23	H	24
24	H	14
