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