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