Using NCCN, CCCC12CCC(=O)C=C1c1c(cc(OCC#N)c(Cl)c1Cl)C2 to produce CCCC12CCC(=O)C=C1c1c(cc(OCC3=NCCN3)c(Cl)c1Cl)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.