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