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