Using CN1CCC(COc2ccc(N)cc2)CC1, Brc1ncc(Br)n2ccnc12 to produce CN1CCC(COc2ccc(Nc3ncc(Br)n4ccnc34)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.