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