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