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