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