new index	atom name	original index
1	C	9
2	C	10
3	C	6
4	C	7
5	C	3
6	C	4
7	C	5
8	C	1
9	O	8
10	O	2
11	H	17
12	H	15
13	H	16
14	H	18
15	H	13
16	H	14
17	H	11
18	H	12
