Using c1ccc(CC2CCNCC2)cc1, CC(=O)Nc1nc2ccc(C(=O)CBr)cc2s1 to produce Nc1nc2ccc(C(=O)CN3CCC(Cc4ccccc4)CC3)cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.