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