new index	atom name	original index
1	C	9
2	C	7
3	C	6
4	C	10
5	C	8
6	N	5
7	O	2
8	O	4
9	O	1
10	O	3
11	H	17
12	H	16
13	H	15
14	H	12
15	H	13
16	H	11
17	H	14
18	H	19
19	H	18