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