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