Using O=C(O)Cc1ccc(Cl)c(Cl)c1, COc1cccc2c1CCNC2CN1CCCC1 to produce COc1cccc2c1CCNC2(CN1CCCC1)C(=O)Cc1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.