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