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