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