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