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