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