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