Using NC1CCN(Cc2ccc(Cl)c(Cl)c2)CC1, O=C(O)Cc1nc(-c2ccccc2)n[nH]1 to produce O=C(Cc1nc(-c2ccccc2)n[nH]1)NC1CCN(Cc2ccc(Cl)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.