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