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