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