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