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