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