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