Disclosed are compounds, compositions and methods for treating of diseases, syndromes, or disorders that are affected by the modulation of STING. Such compounds are represented by Formula (I) as follows: wherein B2,X2, R2a, R2b, R2c, Z-M-Y, Y1-M1Z1, B1, X1, R1a, R1b, R1c are as defined herein.