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