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