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