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