Using CCBr, COc1ccc(N2CCN(c3ccc(Nc4nnc(C)s4)cc3)CC2)cc1 to produce CCn1nc(C)sc1=Nc1ccc(N2CCN(c3ccc(OC)cc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.