new index	atom name	original index
1	C	11
2	C	2
3	C	3
4	C	5
5	C	4
6	C	1
7	O	7
8	O	10
9	O	6
10	O	9
11	O	8
12	H	21
13	H	19
14	H	20
15	H	12
16	H	13
17	H	14
18	H	15
19	H	18
20	H	17
21	H	16
