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