Using OCCCBr, CSc1sc(-c2cc(Nc3cccc(O)c3)ccc2C)c(-c2cccnc2)c1C#N to produce CSc1sc(-c2cc(Nc3cccc(OCCCO)c3)ccc2C)c(-c2cccnc2)c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.