Using N#CCBr, COc1c(N2CCNCC2)cc(Br)cc1C(C)(C)C to produce COc1c(N2CCN(CC#N)CC2)cc(Br)cc1C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.