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