Using CC1(C)OB(c2cnc(N)nc2)OC1(C)C, COc1ccc(-c2nn3c(I)c(C)nc3s2)cc1OC to produce COc1ccc(-c2nn3c(-c4cnc(N)nc4)c(C)nc3s2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.