Using CCN(CC)CCn1nc2c3c(c(N)cc(OC)c31)Sc1ccc(OC)cc1-2, NCCBr to produce CCN(CC)CCn1nc2c3c(c(NCCN)cc(OC)c31)Sc1ccc(OC)cc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.