new index	atom name	original index
1	C	9
2	C	8
3	C	4
4	C	11
5	C	5
6	C	1
7	C	3
8	N	12
9	N	2
10	O	10
11	O	6
12	O	7
13	H	20
14	H	22
15	H	21
16	H	18
17	H	19
18	H	15
19	H	16
20	H	23
21	H	24
22	H	13
23	H	25
24	H	26
25	H	14
26	H	17