Using COc1cc(-c2cc(CCl)ccn2)cc(OC)c1OC, C1CNCCN1 to produce COc1cc(-c2cc(CN3CCNCC3)ccn2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.