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