Using O=C1CCCN1c1cncc(Br)n1, CC1(C)OB(c2cnc3[nH]ccc3c2)OC1(C)C to produce O=C1CCCN1c1cncc(-c2cnc3[nH]ccc3c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.