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