sql server install by command line

I am using following command line to install sql server 2008 r2 but its not installing.Also i am not getting any error or log in summary.txt

"D:\SQLEXPR32_x86_ENU (1).exe" /q /ACTION= Install /FEATURES=SQL /INSTANCENAME=nvt /SECURITYMODE=SQL /sapwd=abc /IACCEPTSQLSERVERLICENSETERMS