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