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