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