Using O=C(NCC1CCN(Cc2cc(-c3ccccc3)no2)CC1)c1ccc(Cl)c(O)c1, OCCBr to produce O=C(NCC1CCN(Cc2cc(-c3ccccc3)no2)CC1)c1ccc(Cl)c(OCCO)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.