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