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