Using CCN1CCCC(C=C2CCN(C(=O)Nc3ccc(Cl)c(Cl)c3)CC2)C1 to produce CCN1CCCC(CC2CCN(C(=O)Nc3ccc(Cl)c(Cl)c3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.