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