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