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