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