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