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