new index	atom name	original index
1	C	1
2	C	2
3	C	6
4	C	3
5	C	5
6	C	8
7	C	4
8	C	7
9	C	10
10	O	9
11	O	11
12	O	12
13	H	13
14	H	14
15	H	17
16	H	15
17	H	16
18	H	19
19	H	20
20	H	18
21	H	21
22	H	22
