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