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