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