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