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