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