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