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