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