Using O=Cc1cc(Cl)cnc1Oc1ccc2c(nnn2CC2CC2)c1Br, CS(=O)(=O)N1CCNCC1 to produce CS(=O)(=O)N1CCN(Cc2cc(Cl)cnc2Oc2ccc3c(nnn3CC3CC3)c2Br)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.