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