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