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