Using O=CC(c1ccccc1)c1ccccc1, CS(=O)(=O)c1ccc(CN2CCCNCC2)cc1 to produce CS(=O)(=O)c1ccc(CN2CCCN(CC(c3ccccc3)c3ccccc3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.