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