new index	atom name	original index
1	C	10
2	C	8
3	C	9
4	C	6
5	C	7
6	C	5
7	C	11
8	N	4
9	O	1
10	O	2
11	O	3
12	H	14
13	H	12
14	H	13
15	H	15
16	H	16
17	H	17
18	H	18
