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