Using NCCCOc1cccc(CN2CCCCC2)c1, CCOc1cc(Cl)nc2ccccc12 to produce CCOc1cc(NCCCOc2cccc(CN3CCCCC3)c2)nc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.