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