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