new index	atom name	original index
1	C	8
2	C	3
3	C	4
4	C	6
5	C	7
6	C	9
7	C	2
8	C	5
9	O	1
10	H	16
11	H	14
12	H	15
13	H	10
14	H	11
15	H	12
16	H	13
17	H	17