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