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