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