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