Using Brc1csc(N2C3CCC2COC3)n1, OB(O)c1ccc(Cl)cc1 to produce Clc1ccc(-c2csc(N3C4CCC3COC4)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.