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