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