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