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