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