Using Brc1nn2c(I)cnc2s1, O=S(=O)(c1ccc(B(O)O)cc1)N1CCOCC1 to produce O=S(=O)(c1ccc(-c2nn3c(I)cnc3s2)cc1)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.