Using ClCCN1CCN(Cc2ccccc2)CC1, O=C1Cc2ccccc2N1 to produce O=C1Cc2ccccc2N1CCN1CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.