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