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