new index	atom name	original index
1	C	8
2	C	7
3	C	9
4	C	6
5	C	5
6	C	4
7	C	2
8	N	3
9	O	1
10	H	15
11	H	14
12	H	16
13	H	13
14	H	12
15	H	10
16	H	11
