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