Using Cc1ccc2c(c1)c1c(n2C2=C(Br)CCC2)CCN(C)C1, OB(O)c1cn[nH]c1 to produce Cc1ccc2c(c1)c1c(n2C2=C(c3cn[nH]c3)CCC2)CCN(C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.