new index	atom name	original index
1	C	6
2	C	7
3	C	8
4	C	4
5	C	5
6	C	9
7	C	2
8	C	3
9	O	1
10	H	14
11	H	12
12	H	13
13	H	15
14	H	16
15	H	10
16	H	11
17	H	17
