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