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