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