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