new index	atom name	original index
1	C	4
2	C	3
3	C	9
4	C	5
5	C	7
6	C	6
7	C	8
8	C	2
9	C	10
10	C	1
11	N	11
12	O	12
13	H	16
14	H	18
15	H	17
16	H	15
17	H	14
18	H	13
19	H	22
20	H	19
21	H	21
22	H	20
23	H	23
