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