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