Using O=C1CCCN1CCOc1cncc(Br)c1, CC(=O)Nc1nc2ccc(B(O)O)cc2s1 to produce CC(=O)Nc1nc2ccc(-c3cncc(OCCN4CCCC4=O)c3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.