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