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