new index	atom name	original index
1	C	1
2	C	4
3	C	5
4	C	8
5	C	7
6	C	6
7	C	13
8	C	12
9	C	15
10	C	14
11	C	11
12	N	9
13	O	2
14	O	3
15	O	10
16	H	16
17	H	17
18	H	18
19	H	20
20	H	21
21	H	24
22	H	25
23	H	23
24	H	22
25	H	26
26	H	19
