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