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