Definition: Translate the given Spanish text to English

Positive Example 1 -
Input: A method for converting a series of m-bit information words to a modulated signal is described.
Output: Se describe un método para convertir una serie de palabras de informacion de bits m a una señal modulada.

Positive Example 2 -
Input: A last plastic cover is applied as a final protection.
Output: La presente invencion comprende un nuevo mezclador termocinetico.

Negative Example 1 -
Input: Luminescent optical sensor.
Output: SENSOR OPTICO LUMINISCENTE.

Negative Example 2 -
Input: The urinal is similar to a common toilet.
Output: El común es similar a un inodoro orinal.

Now complete the following example -
Input: The present invention provides novel beta-secretase inhibitors of the general formula (I), where the variables A 1 , A 2 , L 1 , L 2 , L 3 , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 are as defined in the claims, a method for their use in treating Alzheimer's disease, and methods for their use in reducing memapsin 2 catalytic activity.
Output: La presente invencion proporciona nuevos inhibidores de beta-secretasa de la formula general (I) (ver formula (I)), en donde las variables A1, A2, L1, L2, L3, R1, R2, R3, R4, R5, R6 y R7 son como se definio en las reivindicaciones, un metodo para su uso en el tratamiento de enfermedad de Alzheimer, y metodos para su uso en reducir la actividad catalitica de memapsina 2.