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