new index	atom name	original index
1	C	7
2	C	8
3	C	5
4	C	2
5	C	1
6	O	4
7	O	3
8	O	6
9	H	13
10	H	11
11	H	12
12	H	14
13	H	16
14	H	15
15	H	9
16	H	10
