new index	atom name	original index
1	C	8
2	C	9
3	C	1
4	C	5
5	C	2
6	C	6
7	C	10
8	C	7
9	C	3
10	C	4
11	O	11
12	H	17
13	H	18
14	H	19
15	H	20
16	H	22
17	H	21
18	H	12
19	H	14
20	H	13
21	H	15
22	H	23
23	H	24
24	H	16
25	H	25
