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