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