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