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