new index	atom name	original index
1	C	9
2	C	10
3	C	3
4	C	2
5	C	6
6	C	4
7	O	1
8	O	5
9	O	7
10	O	8
11	H	16
12	H	17
13	H	15
14	H	19
15	H	18
16	H	20
17	H	12
18	H	13
19	H	11
20	H	14
