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