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