Incorrect Syntax near GO

USE master
GO

Alter Procedure RenameInPhysicalDrive
@databaseName VARCHAR(500),
@physicalPath VARCHAR(500),
@logFilePath VARCHAR(500)
AS
BEGIN
DECLARE @MyQuery NVARCHAR(500) =''
SET @MyQuery =( 'CREATE DATABASE  '+' '+ @databaseName+' ON ( NAME= '+@databaseName+
',FILENAME='+ @physicalPath
+',SIZE=10,MAXSIZE=50,FILEGROWTH=5)
LOG ON (NAME=' +@databaseName+'_log'+',FILENAME='+@logFilePath
+',SIZE=5MB,MAXSIZE=25MB,FILEGROWTH=5MB)
GO' )
EXEC sp_executesql @MyQuery
END