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