new index	atom name	original index
1	C	6
2	C	7
3	C	5
4	C	8
5	C	4
6	C	9
7	C	2
8	C	10
9	O	1
10	O	3
11	O	11
12	O	12
13	H	15
14	H	16
15	H	14
16	H	17
17	H	13
18	H	18
