Using C1CCNC1, Cc1cc(N2CCCC2)c2ccc(OCc3ccc(Cl)nc3)cc2n1 to produce Cc1cc(N2CCCC2)c2ccc(OCc3ccc(N4CCCC4)nc3)cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.