new index	atom name	original index
1	C	6
2	C	7
3	C	5
4	C	8
5	C	4
6	C	9
7	C	1
8	N	10
9	O	2
10	O	3
11	H	13
12	H	14
13	H	12
14	H	15
15	H	16
16	H	17
17	H	11
