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