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