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