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