Using COc1c(F)cc(F)cc1-c1c[nH]c2ncc(-c3cnn(C4CCNCC4)c3)cc12, OCCBr to produce COc1c(F)cc(F)cc1-c1c[nH]c2ncc(-c3cnn(C4CCN(CCO)CC4)c3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.