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