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