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