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