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