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