new index	atom name	original index
1	C	13
2	C	12
3	C	14
4	C	11
5	C	7
6	C	8
7	C	9
8	C	10
9	N	6
10	N	4
11	N	3
12	N	5
13	O	1
14	O	2
15	H	21
16	H	20
17	H	19
18	H	16
19	H	17
20	H	18
21	H	22
22	H	24
23	H	23
24	H	15
