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