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