HIV replication inhibiting pyrimidines and triazines

A compound of formula (I)

• a pharmaceutically acceptable acid addition salt, or a stereochemically isomeric form thereof, wherein
• -a1=a2-a3=a4- represents a bivalent radical of formula
• —CH═CH—CH═CH— (a-1);
• -b1-b2-b3- represents a bivalent radical of formula
• —O—CH2—CH2— (b-1);
• —O—CH═CH— (b-2);
• —CH2—CH═CH— (b-5);
• n is 1;
• m is 0, 1;
• q is 1,2;
• R1 is hydrogen;
• R2 is halo, nitro, cyano, —CONH2, C1-6alkyl optionally substituted with cyano or with —CONH2;
• X1 is —NH—, —O—;
• R3 is hydrogen, halo, C1-6alkyl;
• R4 is halo, C1-6alkyl;
• R13 and R14 each independently are hydrogen, C1-6alkyl;
• R17 is cyano, halo, C1-6alkyl optionally substituted with cyano;
• C2-6alkenyl optionally substituted with cyano;
• and, where possible, R17 may also be attached to the -b1-b2-b3-moiety by a double bond whereby R17 is ═O;
• the R17 moiety attached to a carbon atom in the -b1-b2-b3 ring;
• Q represents hydrogen;
• Z is C—Y, wherein Y is hydrogen or halo.