Acoplamiento molecular y actividad antibacteriana de las tioureas (R,R)-N,N´-bis(1- ciclohexiletil)tiourea y (R,R)-N,N´-bis(1-feniletil)tiourea (Molecular docking and antibacterial activity thioureas (R,R)-N,N´-bis(1- cyclohexyethyl)thiourea and (R,R)-N,N´-bis(1-phenylethyl)thiourea)