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