new index	atom name	original index
1	C	12
2	C	8
3	C	11
4	C	4
5	C	6
6	C	7
7	C	5
8	C	10
9	C	9
10	N	3
11	O	2
12	O	1
13	H	25
14	H	24
15	H	23
16	H	18
17	H	19
18	H	13
19	H	14
20	H	15
21	H	16
22	H	17
23	H	20
24	H	21
25	H	22