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