new index	atom name	original index
1	C	14
2	C	15
3	C	8
4	C	9
5	C	6
6	C	7
7	C	10
8	C	11
9	C	4
10	C	5
11	C	2
12	C	3
13	Cl	16
14	Cl	17
15	Cl	12
16	O	13
17	O	1
18	H	23
19	H	24
20	H	20
21	H	21
22	H	18
23	H	19
24	H	22
