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