new index	atom name	original index
1	C	9
2	C	6
3	C	5
4	C	7
5	C	4
6	C	8
7	C	2
8	C	3
9	O	1
10	H	19
11	H	17
12	H	18
13	H	14
14	H	13
15	H	15
16	H	12
17	H	16
18	H	11
19	H	10
