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