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