Using NC1CCC1, O=C1CC2CCC(C1)N2c1ncnc2scc(Br)c12 to produce Brc1csc2ncnc(N3C4CCC3CC(NC3CCC3)C4)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.