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