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